diff --git a/apps/nextjs/src/app/[locale]/init/_steps/import/file-info-card.tsx b/apps/nextjs/src/app/[locale]/init/_steps/import/file-info-card.tsx
index 8a3a14fb4..c947719c2 100644
--- a/apps/nextjs/src/app/[locale]/init/_steps/import/file-info-card.tsx
+++ b/apps/nextjs/src/app/[locale]/init/_steps/import/file-info-card.tsx
@@ -2,7 +2,7 @@ import { ActionIcon, Button, Group, Text } from "@mantine/core";
 import type { FileWithPath } from "@mantine/dropzone";
 import { IconPencil } from "@tabler/icons-react";
 
-import { humanFileSize } from "@homarr/common";
+import { formatBytes } from "@homarr/common";
 import { useScopedI18n } from "@homarr/translation/client";
 
 import { InitStepCard } from "../../_components/init-step-card";
@@ -22,7 +22,7 @@ export const FileInfoCard = ({ file, onRemove }: FileInfoCardProps) => {
             {file.name}
           </Text>
           <Text visibleFrom="md" c="gray.6" size="sm">
-            {humanFileSize(file.size)}
+            {formatBytes(file.size)}
           </Text>
         </Group>
         <Button
diff --git a/apps/nextjs/src/app/[locale]/manage/medias/page.tsx b/apps/nextjs/src/app/[locale]/manage/medias/page.tsx
index 51d4a2caf..0072e9ed3 100644
--- a/apps/nextjs/src/app/[locale]/manage/medias/page.tsx
+++ b/apps/nextjs/src/app/[locale]/manage/medias/page.tsx
@@ -18,7 +18,7 @@ import { z } from "zod/v4";
 import type { RouterOutputs } from "@homarr/api";
 import { api } from "@homarr/api/server";
 import { auth } from "@homarr/auth/next";
-import { humanFileSize } from "@homarr/common";
+import { formatBytes } from "@homarr/common";
 import type { inferSearchParamsFromSchema } from "@homarr/common/types";
 import { createLocalImageUrl } from "@homarr/icons/local";
 import { getI18n } from "@homarr/translation/server";
@@ -125,7 +125,7 @@ const Row = async ({ media }: RowProps) => {
         />
       </TableTd>
       <TableTd>{media.name}</TableTd>
-      <TableTd>{humanFileSize(media.size)}</TableTd>
+      <TableTd>{formatBytes(media.size)}</TableTd>
       <TableTd>
         {media.creator ? (
           <Group gap="sm">
diff --git a/apps/nextjs/src/app/[locale]/manage/tools/docker/docker-table.tsx b/apps/nextjs/src/app/[locale]/manage/tools/docker/docker-table.tsx
index 43bbc3ff3..a2c504027 100644
--- a/apps/nextjs/src/app/[locale]/manage/tools/docker/docker-table.tsx
+++ b/apps/nextjs/src/app/[locale]/manage/tools/docker/docker-table.tsx
@@ -19,7 +19,7 @@ import { MantineReactTable } from "mantine-react-table";
 
 import type { RouterOutputs } from "@homarr/api";
 import { clientApi } from "@homarr/api/client";
-import { humanFileSize, useTimeAgo } from "@homarr/common";
+import { formatBytes, useTimeAgo } from "@homarr/common";
 import type { ContainerState } from "@homarr/docker";
 import { containerStateColorMap, cpuUsageColor, memoryUsageColor, safeValue } from "@homarr/docker/shared";
 import { useModalAction } from "@homarr/modals";
@@ -143,7 +143,7 @@ const createColumns = (t: TranslationFunction): MRT_ColumnDef<DockerContainer>[]
 
       return (
         <Text size="sm" c={memoryUsageColor(bytesUsage, row.original.state)}>
-          {humanFileSize(bytesUsage)}
+          {formatBytes(bytesUsage)}
         </Text>
       );
     },
diff --git a/packages/common/src/number.ts b/packages/common/src/number.ts
index 3d9f79bd7..af3c8fddf 100644
--- a/packages/common/src/number.ts
+++ b/packages/common/src/number.ts
@@ -21,11 +21,17 @@ export const randomInt = (min: number, max: number) => {
 };
 
 /**
- *  Number of bytes to si format. (Division by 1024)
- *  Does not accept floats, size in bytes should be an integer.
- *  Will return "NaI" and logs a warning if a float is passed.
- *  Concat as parameters so it is not added if the returned value is "NaI" or "∞".
- *  Returns "∞" if the size is too large to be represented in the current format.
+ *  Number of bytes to a human-readable string using binary (KiB) suffixes.
+ *  Does not accept floats; size in bytes should be an integer.
+ *  Will return "NaI" and log a warning if a float is passed.
+ *  `concat` is appended after the unit so it is omitted when the returned
+ *  value is "NaI" or "∞". Returns "∞" if the size is too large to be
+ *  represented in the current format.
+ *
+ *  @deprecated Use `formatBytes` for single values, `formatBytesPair` for
+ *  paired "used / total" displays, and `formatByteRate` for byte-per-second
+ *  rates. This function is kept for backwards compatibility but should not
+ *  be used in new code.
  */
 export const humanFileSize = (size: number, concat = ""): string => {
   //64bit limit for Number stops at EiB
@@ -48,6 +54,99 @@ export const humanFileSize = (size: number, concat = ""): string => {
   return "∞";
 };
 
+const BINARY_UNITS = ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"] as const;
+const DECIMAL_UNITS = ["B", "KB", "MB", "GB", "TB", "PB", "EB"] as const;
+
+export type ByteUnitSystem = "binary" | "decimal";
+
+export interface FormatBytesOptions {
+  /**
+   * Unit system to use. "binary" uses 1024 as the base and KiB/MiB/GiB/TiB suffixes,
+   * "decimal" uses 1000 as the base and KB/MB/GB/TB suffixes. Defaults to "binary".
+   */
+  unit?: ByteUnitSystem;
+}
+
+const pickUnitIndex = (bytes: number, base: number, lastIndex: number): number => {
+  if (!Number.isFinite(bytes) || bytes <= 0) return 0;
+  let index = 0;
+  let value = bytes;
+  while (value >= base && index < lastIndex) {
+    value /= base;
+    index++;
+  }
+  return index;
+};
+
+const sanitizeBytes = (bytes: number): number => (Number.isFinite(bytes) && bytes > 0 ? bytes : 0);
+
+const resolveUnitConfig = (options: FormatBytesOptions) => {
+  const { unit = "binary" } = options;
+  return {
+    units: unit === "binary" ? BINARY_UNITS : DECIMAL_UNITS,
+    base: unit === "binary" ? 1024 : 1000,
+  };
+};
+
+/**
+ * Format a byte value as a human-readable string with a unit suffix.
+ *
+ * Picks the largest unit that keeps the scaled value below the base. Use
+ * `formatBytesPair` when two related values (e.g. used and available) should
+ * share a common unit.
+ *
+ * @example
+ * formatBytes(0);                          // "0.0 B"
+ * formatBytes(1024);                       // "1.0 KiB"
+ * formatBytes(985828802560);               // "918.1 GiB"
+ * formatBytes(985828802560, { unit: "decimal" }); // "985.8 GB"
+ */
+export const formatBytes = (bytes: number, options: FormatBytesOptions = {}): string => {
+  const { units, base } = resolveUnitConfig(options);
+  const safe = sanitizeBytes(bytes);
+  const index = pickUnitIndex(safe, base, units.length - 1);
+  const scaled = safe / base ** index;
+  return `${scaled.toFixed(1)} ${units[index]}`;
+};
+
+/**
+ * Format two related byte values (typically `used` and `available`) with a
+ * shared unit. The unit is picked from the sum of the two values so the
+ * combined display stays consistent.
+ *
+ * @example
+ * formatBytesPair(985828802560, 2858736793190);
+ * // { used: "0.9 TiB", available: "2.6 TiB" }
+ */
+export const formatBytesPair = (
+  used: number,
+  available: number,
+  options: FormatBytesOptions = {},
+): { used: string; available: string } => {
+  const { units, base } = resolveUnitConfig(options);
+  const safeUsed = sanitizeBytes(used);
+  const safeAvailable = sanitizeBytes(available);
+  const index = pickUnitIndex(safeUsed + safeAvailable, base, units.length - 1);
+  const suffix = units[index];
+  return {
+    used: `${(safeUsed / base ** index).toFixed(1)} ${suffix}`,
+    available: `${(safeAvailable / base ** index).toFixed(1)} ${suffix}`,
+  };
+};
+
+/**
+ * Format a byte-per-second rate (e.g. network throughput) as a human-readable
+ * string with a `/s` suffix. The value is formatted with the same rules as
+ * `formatBytes` and a trailing `/s` is appended.
+ *
+ * @example
+ * formatByteRate(0);                          // "0.0 B/s"
+ * formatByteRate(1024);                       // "1.0 KiB/s"
+ * formatByteRate(985828802560, { unit: "decimal" }); // "985.8 GB/s"
+ */
+export const formatByteRate = (bytes: number, options: FormatBytesOptions = {}): string =>
+  `${formatBytes(bytes, options)}/s`;
+
 const IMPERIAL_MULTIPLIER = 1.609344;
 
 export const metricToImperial = (metricValue: number) => metricValue / IMPERIAL_MULTIPLIER;
diff --git a/packages/common/src/test/number.spec.ts b/packages/common/src/test/number.spec.ts
new file mode 100644
index 000000000..c8a9ec839
--- /dev/null
+++ b/packages/common/src/test/number.spec.ts
@@ -0,0 +1,90 @@
+import { describe, expect, it } from "vitest";
+
+import { formatByteRate, formatBytes, formatBytesPair } from "../number";
+
+describe("formatBytes", () => {
+  it("returns bytes for small values", () => {
+    expect(formatBytes(0)).toBe("0.0 B");
+    expect(formatBytes(1)).toBe("1.0 B");
+    expect(formatBytes(1023)).toBe("1023.0 B");
+  });
+
+  it("scales binary units correctly", () => {
+    expect(formatBytes(1024)).toBe("1.0 KiB");
+    expect(formatBytes(1024 ** 2)).toBe("1.0 MiB");
+    expect(formatBytes(1024 ** 3)).toBe("1.0 GiB");
+    expect(formatBytes(1024 ** 4)).toBe("1.0 TiB");
+  });
+
+  it("scales decimal units when requested", () => {
+    expect(formatBytes(1000, { unit: "decimal" })).toBe("1.0 KB");
+    expect(formatBytes(1000 ** 2, { unit: "decimal" })).toBe("1.0 MB");
+    expect(formatBytes(1000 ** 3, { unit: "decimal" })).toBe("1.0 GB");
+    expect(formatBytes(1000 ** 4, { unit: "decimal" })).toBe("1.0 TB");
+  });
+
+  it("formats a typical storage value with one decimal", () => {
+    expect(formatBytes(985828802560)).toBe("918.1 GiB");
+    expect(formatBytes(985828802560, { unit: "decimal" })).toBe("985.8 GB");
+  });
+
+  it("caps at the largest unit to avoid overflow", () => {
+    expect(formatBytes(Number.MAX_SAFE_INTEGER)).toMatch(/PiB$/);
+  });
+
+  it("returns the zero value for negative or non-finite input", () => {
+    expect(formatBytes(-1)).toBe("0.0 B");
+    expect(formatBytes(Number.NaN)).toBe("0.0 B");
+    expect(formatBytes(Number.POSITIVE_INFINITY)).toBe("0.0 B");
+  });
+});
+
+describe("formatBytesPair", () => {
+  it("picks the unit of the larger total and applies it to both values", () => {
+    const { used, available } = formatBytesPair(985828802560, 2858736793190);
+    expect(used).toBe("0.9 TiB");
+    expect(available).toBe("2.6 TiB");
+  });
+
+  it("uses a smaller unit when both values fit in it", () => {
+    const { used, available } = formatBytesPair(1024 * 1024 * 100, 1024 * 1024 * 200);
+    expect(used).toBe("100.0 MiB");
+    expect(available).toBe("200.0 MiB");
+  });
+
+  it("falls back to zero when both inputs are invalid", () => {
+    const { used, available } = formatBytesPair(Number.NaN, -1);
+    expect(used).toBe("0.0 B");
+    expect(available).toBe("0.0 B");
+  });
+
+  it("uses the same unit across both values when one is invalid", () => {
+    const { used, available } = formatBytesPair(Number.NaN, 1024 ** 4);
+    expect(used).toBe("0.0 TiB");
+    expect(available).toBe("1.0 TiB");
+  });
+
+  it("honours the decimal unit option", () => {
+    const { used, available } = formatBytesPair(500_000_000_000, 1_500_000_000_000, { unit: "decimal" });
+    expect(used).toBe("0.5 TB");
+    expect(available).toBe("1.5 TB");
+  });
+});
+
+describe("formatByteRate", () => {
+  it("appends a /s suffix to the formatted value", () => {
+    expect(formatByteRate(0)).toBe("0.0 B/s");
+    expect(formatByteRate(1024)).toBe("1.0 KiB/s");
+    expect(formatByteRate(1024 ** 3)).toBe("1.0 GiB/s");
+  });
+
+  it("honours the decimal unit option", () => {
+    expect(formatByteRate(1000, { unit: "decimal" })).toBe("1.0 KB/s");
+    expect(formatByteRate(1000 ** 2, { unit: "decimal" })).toBe("1.0 MB/s");
+  });
+
+  it("returns zero for invalid input", () => {
+    expect(formatByteRate(-1)).toBe("0.0 B/s");
+    expect(formatByteRate(Number.NaN)).toBe("0.0 B/s");
+  });
+});
diff --git a/packages/integrations/src/dashdot/dashdot-integration.ts b/packages/integrations/src/dashdot/dashdot-integration.ts
index 3c835a302..5d18b4422 100644
--- a/packages/integrations/src/dashdot/dashdot-integration.ts
+++ b/packages/integrations/src/dashdot/dashdot-integration.ts
@@ -1,5 +1,3 @@
-import { humanFileSize } from "@homarr/common";
-
 import "@homarr/redis";
 
 import dayjs from "dayjs";
@@ -48,7 +46,7 @@ export class DashDotIntegration extends Integration implements ISystemHealthMoni
         .map((storage, index) => ({
           deviceName: `Storage ${index + 1}: (${storage.disks.map((disk) => disk.device).join(", ")})`,
           // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-          used: humanFileSize(storageLoad[index]!),
+          used: `${storageLoad[index]!}`,
           available: storageLoad[index] ? `${storage.size - storageLoad[index]}` : `${storage.size}`,
           percentage: storageLoad[index] ? (storageLoad[index] / storage.size) * 100 : 0,
         })),
diff --git a/packages/integrations/src/unraid/unraid-integration.ts b/packages/integrations/src/unraid/unraid-integration.ts
index bf8e77d3b..c10aad89e 100644
--- a/packages/integrations/src/unraid/unraid-integration.ts
+++ b/packages/integrations/src/unraid/unraid-integration.ts
@@ -1,7 +1,6 @@
 import dayjs from "dayjs";
 import type { fetch as undiciFetch } from "undici/types/fetch";
 
-import { humanFileSize } from "@homarr/common";
 import { ResponseError } from "@homarr/common/server";
 import { fetchWithTrustedCertificatesAsync } from "@homarr/core/infrastructure/http";
 import { createLogger } from "@homarr/core/infrastructure/logs";
@@ -59,7 +58,7 @@ export class UnraidIntegration extends Integration implements ISystemHealthMonit
       cpuTemp: undefined, // Not implemented, see https://github.com/unraid/api/issues/1597
       fileSystem: systemInfo.array.disks.map((disk) => ({
         deviceName: disk.name,
-        used: humanFileSize(disk.fsUsed * 1024), // API is in KiB (kibibytes), convert to bytes
+        used: `${disk.fsUsed * 1024}`, // API is in KiB (kibibytes), convert to bytes
         available: `${(disk.size - disk.fsUsed) * 1024}`, // free space left on the disk, API is in KiB (kibibytes)
         percentage: (disk.fsUsed / disk.size) * 100, // The units are the same, therefore the actual unit is irrelevant
       })),
diff --git a/packages/widgets/src/archive-team-warrior/component.tsx b/packages/widgets/src/archive-team-warrior/component.tsx
index 032858c2f..5ac03eadc 100644
--- a/packages/widgets/src/archive-team-warrior/component.tsx
+++ b/packages/widgets/src/archive-team-warrior/component.tsx
@@ -3,7 +3,7 @@
 import { Avatar, Badge, Card, Group, SimpleGrid, Stack, Text } from "@mantine/core";
 
 import { clientApi } from "@homarr/api/client";
-import { humanFileSize } from "@homarr/common";
+import { formatByteRate } from "@homarr/common";
 import { getIconUrl } from "@homarr/definitions";
 
 import type { WidgetComponentProps } from "../definition";
@@ -84,4 +84,4 @@ const Metric = ({ label, value }: { label: string; value: number | string }) =>
   </Stack>
 );
 
-const formatBandwidth = (value?: number) => humanFileSize(Math.round(value ?? 0), "/s");
+const formatBandwidth = (value?: number) => formatByteRate(Math.round(value ?? 0));
diff --git a/packages/widgets/src/docker/component.tsx b/packages/widgets/src/docker/component.tsx
index 42db221a2..72eb779b5 100644
--- a/packages/widgets/src/docker/component.tsx
+++ b/packages/widgets/src/docker/component.tsx
@@ -9,7 +9,7 @@ import { MantineReactTable } from "mantine-react-table";
 
 import type { RouterOutputs } from "@homarr/api";
 import { clientApi } from "@homarr/api/client";
-import { humanFileSize, useTimeAgo } from "@homarr/common";
+import { formatBytes, useTimeAgo } from "@homarr/common";
 import type { ContainerState } from "@homarr/docker";
 import { containerStateColorMap, cpuUsageColor, memoryUsageColor, safeValue } from "@homarr/docker/shared";
 import { showErrorNotification, showSuccessNotification } from "@homarr/notifications";
@@ -110,7 +110,7 @@ const createColumns = (
 
       return (
         <Text size="xs" c={memoryUsageColor(bytesUsage, row.original.state)}>
-          {humanFileSize(bytesUsage)}
+          {formatBytes(bytesUsage)}
         </Text>
       );
     },
@@ -297,7 +297,7 @@ export default function DockerWidget({ options, width, isEditMode }: WidgetCompo
             </Text>
 
             <Text size="sm" style={{ whiteSpace: "nowrap" }}>
-              {t("table.totalMemory", { memory: humanFileSize(totals.memory) })}
+              {t("table.totalMemory", { memory: formatBytes(totals.memory) })}
             </Text>
 
             <Text size="sm" style={{ whiteSpace: "nowrap" }}>
diff --git a/packages/widgets/src/downloads/component.tsx b/packages/widgets/src/downloads/component.tsx
index 0edfb9ba5..ff9b71664 100644
--- a/packages/widgets/src/downloads/component.tsx
+++ b/packages/widgets/src/downloads/component.tsx
@@ -43,7 +43,7 @@ import { MantineReactTable, useMantineReactTable } from "mantine-react-table";
 
 import { clientApi } from "@homarr/api/client";
 import { useIntegrationsWithInteractAccess } from "@homarr/auth/client";
-import { humanFileSize, useIntegrationConnected } from "@homarr/common";
+import { formatByteRate, formatBytes, useIntegrationConnected } from "@homarr/common";
 import { getIconUrl, getIntegrationKindsByCategory } from "@homarr/definitions";
 import type { ExtendedClientStatus, ExtendedDownloadClientItem } from "@homarr/integrations";
 import { useScopedI18n } from "@homarr/translation/client";
@@ -386,7 +386,7 @@ export default function DownloadClientsWidget({
         sortUndefined: "last",
         Cell: ({ cell }) => {
           const downSpeed = cell.getValue<ExtendedDownloadClientItem["downSpeed"]>();
-          return downSpeed ? <Text size="xs">{humanFileSize(downSpeed, "/s")}</Text> : null;
+          return downSpeed ? <Text size="xs">{formatByteRate(downSpeed)}</Text> : null;
         },
       },
       {
@@ -466,7 +466,7 @@ export default function DownloadClientsWidget({
         ...columnsDefBase({ key: "received", showHeader: true }),
         Cell: ({ cell }) => {
           const received = cell.getValue<ExtendedDownloadClientItem["received"]>();
-          return <Text size="xs">{humanFileSize(received)}</Text>;
+          return <Text size="xs">{formatBytes(received)}</Text>;
         },
       },
       {
@@ -474,14 +474,14 @@ export default function DownloadClientsWidget({
         sortUndefined: "last",
         Cell: ({ cell }) => {
           const sent = cell.getValue<ExtendedDownloadClientItem["sent"]>();
-          return sent && <Text size="xs">{humanFileSize(sent)}</Text>;
+          return sent && <Text size="xs">{formatBytes(sent)}</Text>;
         },
       },
       {
         ...columnsDefBase({ key: "size", showHeader: true }),
         Cell: ({ cell }) => {
           const size = cell.getValue<ExtendedDownloadClientItem["size"]>();
-          return <Text size="xs">{humanFileSize(size)}</Text>;
+          return <Text size="xs">{formatBytes(size)}</Text>;
         },
       },
       {
@@ -521,7 +521,7 @@ export default function DownloadClientsWidget({
         sortUndefined: "last",
         Cell: ({ cell }) => {
           const upSpeed = cell.getValue<ExtendedDownloadClientItem["upSpeed"]>();
-          return upSpeed && <Text size="xs">{humanFileSize(upSpeed, "/s")}</Text>;
+          return upSpeed && <Text size="xs">{formatByteRate(upSpeed)}</Text>;
         },
       },
     ],
@@ -669,21 +669,21 @@ const ItemInfoModal = ({ items, currentIndex, opened, onClose }: ItemInfoModalPr
           {item.type !== "miscellaneous" && (
             <NormalizedLine
               itemKey="upSpeed"
-              values={item.upSpeed === undefined ? undefined : humanFileSize(item.upSpeed, "/s")}
+              values={item.upSpeed === undefined ? undefined : formatByteRate(item.upSpeed)}
             />
           )}
 
           <NormalizedLine
             itemKey="downSpeed"
-            values={item.downSpeed === undefined ? undefined : humanFileSize(item.downSpeed, "/s")}
+            values={item.downSpeed === undefined ? undefined : formatByteRate(item.downSpeed)}
           />
 
           {item.type !== "miscellaneous" && (
-            <NormalizedLine itemKey="sent" values={item.sent === undefined ? undefined : humanFileSize(item.sent)} />
+            <NormalizedLine itemKey="sent" values={item.sent === undefined ? undefined : formatBytes(item.sent)} />
           )}
 
-          <NormalizedLine itemKey="received" values={humanFileSize(item.received)} />
-          <NormalizedLine itemKey="size" values={humanFileSize(item.size)} />
+          <NormalizedLine itemKey="received" values={formatBytes(item.received)} />
+          <NormalizedLine itemKey="size" values={formatBytes(item.size)} />
           <NormalizedLine
             itemKey="progress"
             values={new Intl.NumberFormat("en", {
@@ -744,10 +744,7 @@ const ClientsControl = ({ clients, filters, setFilters, availableStatuses }: Cli
     { paused: [] as string[], active: [] as string[] },
   );
   const someInteract = clients.some(({ interact }) => interact);
-  const totalSpeed = humanFileSize(
-    clients.reduce((count, { status }) => count + (status?.rates.down ?? 0), 0),
-    "/s",
-  );
+  const totalSpeed = formatByteRate(clients.reduce((count, { status }) => count + (status?.rates.down ?? 0), 0));
 
   const utils = clientApi.useUtils();
   const invalidateDownloads = { onSettled: () => void utils.widget.downloads.getJobsAndStatuses.invalidate() };
@@ -849,21 +846,21 @@ const ClientsControl = ({ clients, filters, setFilters, availableStatuses }: Cli
                           {client.status.rates.up !== undefined ? (
                             <Group display="flex" justify="center" c="green" w="100%" gap={5}>
                               <Text flex={1} ta="right">
-                                {`↑ ${humanFileSize(client.status.rates.up, "/s")}`}
+                                {`↑ ${formatByteRate(client.status.rates.up)}`}
                               </Text>
                               <Text>{"-"}</Text>
                               <Text flex={1} ta="left">
-                                {humanFileSize(client.status.totalUp ?? 0)}
+                                {formatBytes(client.status.totalUp ?? 0)}
                               </Text>
                             </Group>
                           ) : undefined}
                           <Group display="flex" justify="center" c="blue" w="100%" gap={5}>
                             <Text flex={1} ta="right">
-                              {`↓ ${humanFileSize(client.status.rates.down, "/s")}`}
+                              {`↓ ${formatByteRate(client.status.rates.down)}`}
                             </Text>
                             <Text>{"-"}</Text>
                             <Text flex={1} ta="left">
-                              {humanFileSize(Math.floor(client.status.totalDown ?? 0))}
+                              {formatBytes(Math.floor(client.status.totalDown ?? 0))}
                             </Text>
                           </Group>
                         </Stack>
diff --git a/packages/widgets/src/health-monitoring/cluster/resource-popover.tsx b/packages/widgets/src/health-monitoring/cluster/resource-popover.tsx
index eae3e3b30..606596342 100644
--- a/packages/widgets/src/health-monitoring/cluster/resource-popover.tsx
+++ b/packages/widgets/src/health-monitoring/cluster/resource-popover.tsx
@@ -16,7 +16,7 @@ import {
 import dayjs from "dayjs";
 import duration from "dayjs/plugin/duration";
 
-import { capitalize, humanFileSize } from "@homarr/common";
+import { capitalize, formatBytes, formatBytesPair } from "@homarr/common";
 import type { ComputeResource, Resource, StorageResource } from "@homarr/integrations/types";
 import { useScopedI18n } from "@homarr/translation/client";
 
@@ -93,16 +93,18 @@ const RightSection = ({ label, value }: RightSectionProps) => {
 
 const ComputeResourceDetails = ({ item }: { item: ComputeResource }) => {
   const t = useScopedI18n("widget.healthMonitoring.cluster.popover.detail");
+  const memory = formatBytesPair(item.memory.used, item.memory.total);
+  const storage = formatBytesPair(item.storage.used, item.storage.total);
   return (
     <List>
       <List.Item icon={<IconCpu size={16} />}>
         {t("cpu")} - {item.cpu.cores}
       </List.Item>
       <List.Item icon={<IconBrain size={16} />}>
-        {t("memory")} - {humanFileSize(item.memory.used)} / {humanFileSize(item.memory.total)}
+        {t("memory")} - {memory.used} / {memory.available}
       </List.Item>
       <List.Item icon={<IconDatabase size={16} />}>
-        {t("storage")} - {humanFileSize(item.storage.used)} / {humanFileSize(item.storage.total)}
+        {t("storage")} - {storage.used} / {storage.available}
       </List.Item>
       <List.Item icon={<IconClockHour3 size={16} />}>
         {t("uptime")} - {dayjs(dayjs().add(-item.uptime, "seconds")).fromNow(true)}
@@ -121,6 +123,7 @@ const ComputeResourceDetails = ({ item }: { item: ComputeResource }) => {
 const StorageResourceDetails = ({ item }: { item: StorageResource }) => {
   const t = useScopedI18n("widget.healthMonitoring.cluster.popover.detail");
   const storagePercent = item.total ? (item.used / item.total) * 100 : 0;
+  const storage = formatBytesPair(item.used, item.total);
   return (
     <Stack gap={0}>
       <Center>
@@ -133,7 +136,7 @@ const StorageResourceDetails = ({ item }: { item: StorageResource }) => {
         />
         <Group align="center" gap={0}>
           <Text>
-            {t("storage")} - {humanFileSize(item.used)} / {humanFileSize(item.total)}
+            {t("storage")} - {storage.used} / {storage.available}
           </Text>
         </Group>
       </Center>
@@ -152,11 +155,11 @@ const DiskStats = ({ item }: { item: ComputeResource }) => {
     <List.Item icon={<IconDatabase size={16} />}>
       <Group gap="sm">
         <Group gap={0}>
-          <Text>{humanFileSize(item.storage.write)}</Text>
+          <Text>{formatBytes(item.storage.write)}</Text>
           <IconArrowNarrowDown size={14} />
         </Group>
         <Group gap={0}>
-          <Text>{humanFileSize(item.storage.read)}</Text>
+          <Text>{formatBytes(item.storage.read)}</Text>
           <IconArrowNarrowUp size={14} />
         </Group>
       </Group>
@@ -172,11 +175,11 @@ const NetStats = ({ item }: { item: ComputeResource }) => {
     <List.Item icon={<IconNetwork size={16} />}>
       <Group gap="sm">
         <Group gap={0}>
-          <Text>{humanFileSize(item.network.in)}</Text>
+          <Text>{formatBytes(item.network.in)}</Text>
           <IconArrowNarrowDown size={14} />
         </Group>
         <Group gap={0}>
-          <Text>{humanFileSize(item.network.out)}</Text>
+          <Text>{formatBytes(item.network.out)}</Text>
           <IconArrowNarrowUp size={14} />
         </Group>
       </Group>
diff --git a/packages/widgets/src/health-monitoring/system-health.tsx b/packages/widgets/src/health-monitoring/system-health.tsx
index 3119adead..3614a570c 100644
--- a/packages/widgets/src/health-monitoring/system-health.tsx
+++ b/packages/widgets/src/health-monitoring/system-health.tsx
@@ -32,7 +32,7 @@ import duration from "dayjs/plugin/duration";
 
 import { clientApi } from "@homarr/api/client";
 import { useRequiredBoard } from "@homarr/boards/context";
-import { humanFileSize } from "@homarr/common";
+import { formatBytes } from "@homarr/common";
 import type { TranslationFunction } from "@homarr/translation";
 import { useI18n } from "@homarr/translation/client";
 
@@ -277,7 +277,7 @@ export const progressColor = (percentage: number) => {
 // them (e.g. Unraid, dashdot). Format the former and pass the latter through untouched.
 const formatFileSize = (value: string) => {
   const bytes = Number(value);
-  return Number.isFinite(bytes) ? humanFileSize(Math.round(bytes)) : value;
+  return Number.isFinite(bytes) ? formatBytes(Math.round(bytes)) : value;
 };
 
 interface FileSystem {
diff --git a/packages/widgets/src/immich/server-stats/component.tsx b/packages/widgets/src/immich/server-stats/component.tsx
index 919b0caf0..3b82499f7 100644
--- a/packages/widgets/src/immich/server-stats/component.tsx
+++ b/packages/widgets/src/immich/server-stats/component.tsx
@@ -5,7 +5,7 @@ import { Group, Stack, Text } from "@mantine/core";
 import { IconDatabase, IconPhoto, IconUsers, IconVideo } from "@tabler/icons-react";
 
 import { clientApi } from "@homarr/api/client";
-import { humanFileSize } from "@homarr/common";
+import { formatBytes } from "@homarr/common";
 import { useI18n } from "@homarr/translation/client";
 
 import { WidgetEmptyState } from "../../common/empty-state";
@@ -46,7 +46,7 @@ export default function ImmichServerStatsWidget({
         <StatItem
           icon={<IconDatabase size={20} />}
           label={t("widget.immich-serverStats.storage")}
-          value={humanFileSize(stats.totalLibraryUsageInBytes)}
+          value={formatBytes(stats.totalLibraryUsageInBytes)}
         />
       )}
     </Stack>
diff --git a/packages/widgets/src/media-transcoding/panels/queue.panel.tsx b/packages/widgets/src/media-transcoding/panels/queue.panel.tsx
index 99e8e9e2a..ec4bb6614 100644
--- a/packages/widgets/src/media-transcoding/panels/queue.panel.tsx
+++ b/packages/widgets/src/media-transcoding/panels/queue.panel.tsx
@@ -14,7 +14,7 @@ import {
 } from "@mantine/core";
 import { IconHeartbeat, IconTransform } from "@tabler/icons-react";
 
-import { humanFileSize } from "@homarr/common";
+import { formatBytes } from "@homarr/common";
 import type { TdarrQueue } from "@homarr/integrations";
 import { useI18n } from "@homarr/translation/client";
 
@@ -72,7 +72,7 @@ export function QueuePanel(props: QueuePanelProps) {
                 </Group>
               </TableTd>
               <TableTd py={2}>
-                <Text size="xs">{humanFileSize(item.fileSize)}</Text>
+                <Text size="xs">{formatBytes(item.fileSize)}</Text>
               </TableTd>
             </TableTr>
           ))}
diff --git a/packages/widgets/src/media-transcoding/panels/statistics.panel.tsx b/packages/widgets/src/media-transcoding/panels/statistics.panel.tsx
index af7c4b15b..c09647138 100644
--- a/packages/widgets/src/media-transcoding/panels/statistics.panel.tsx
+++ b/packages/widgets/src/media-transcoding/panels/statistics.panel.tsx
@@ -3,7 +3,7 @@ import { Card, Center, Group, RingProgress, ScrollArea, Stack, Text, Title, Tool
 import { IconDatabaseHeart, IconFileDescription, IconHeartbeat, IconTransform } from "@tabler/icons-react";
 
 import { useRequiredBoard } from "@homarr/boards/context";
-import { humanFileSize } from "@homarr/common";
+import { formatBytes } from "@homarr/common";
 import type { TdarrPieSegment, TdarrStatistics } from "@homarr/integrations";
 import { useI18n } from "@homarr/translation/client";
 import type { TablerIcon } from "@homarr/ui";
@@ -41,7 +41,7 @@ export function StatisticsPanel(props: StatisticsPanelProps) {
         <StatisticItem
           icon={IconDatabaseHeart}
           label={t("savedSpace")}
-          value={humanFileSize(Math.floor(allLibs.totalSavedSpace))}
+          value={formatBytes(Math.floor(allLibs.totalSavedSpace))}
         />
       </Group>
       <Group justify="center" wrap="wrap" grow>
diff --git a/packages/widgets/src/system-disks/component.tsx b/packages/widgets/src/system-disks/component.tsx
index cabc03ba5..5f84dd0b4 100644
--- a/packages/widgets/src/system-disks/component.tsx
+++ b/packages/widgets/src/system-disks/component.tsx
@@ -5,7 +5,7 @@ import { Box, Card, Group, Stack, Tooltip, useMantineColorScheme } from "@mantin
 
 import { clientApi } from "@homarr/api/client";
 import { useRequiredBoard } from "@homarr/boards/context";
-import { humanFileSize } from "@homarr/common";
+import { formatBytesPair } from "@homarr/common";
 import { useI18n } from "@homarr/translation/client";
 
 import { WidgetEmptyState } from "../common/empty-state";
@@ -20,11 +20,13 @@ const getDisplayText = (item: { used: string; available: string; percentage: num
     case "percentage":
       return `${Math.round(item.percentage)}%`;
     case "absolute": {
+      const usedInBytes = Number(item.used);
       const availableInBytes = Number(item.available);
-      const availableText = Number.isFinite(availableInBytes)
-        ? humanFileSize(Math.round(availableInBytes))
-        : item.available;
-      return `${item.used} / ${availableText}`;
+      if (Number.isFinite(usedInBytes) && Number.isFinite(availableInBytes)) {
+        const { used, available } = formatBytesPair(usedInBytes, availableInBytes);
+        return `${used} / ${available}`;
+      }
+      return `${item.used} / ${item.available}`;
     }
     case "free":
       return `${Math.round(100 - item.percentage)}% free`;
@@ -130,16 +132,8 @@ export default function SystemResources({ integrationIds, options }: WidgetCompo
     throw new NoIntegrationDataError();
   }
 
-  const fileSystem = filterStorageVolumes(
-    rawFileSystem,
-    options.visibleStorageVolumes,
-    lastItem.integrationId,
-  );
-  const smart = filterStorageVolumes(
-    lastItem.healthInfo.smart,
-    options.visibleStorageVolumes,
-    lastItem.integrationId,
-  );
+  const fileSystem = filterStorageVolumes(rawFileSystem, options.visibleStorageVolumes, lastItem.integrationId);
+  const smart = filterStorageVolumes(lastItem.healthInfo.smart, options.visibleStorageVolumes, lastItem.integrationId);
 
   if (fileSystem.length === 0) return <WidgetEmptyState />;
 
diff --git a/packages/widgets/src/system-resources/chart/combined-network-traffic.tsx b/packages/widgets/src/system-resources/chart/combined-network-traffic.tsx
index 20b01bb58..ffe576e6c 100644
--- a/packages/widgets/src/system-resources/chart/combined-network-traffic.tsx
+++ b/packages/widgets/src/system-resources/chart/combined-network-traffic.tsx
@@ -1,7 +1,7 @@
 import { Box, Group, Paper, Stack, Text } from "@mantine/core";
 import { IconNetwork } from "@tabler/icons-react";
 
-import { humanFileSize } from "@homarr/common";
+import { formatByteRate } from "@homarr/common";
 import { useScopedI18n } from "@homarr/translation/client";
 
 import type { LabelDisplayModeOption } from "..";
@@ -47,7 +47,7 @@ export const CombinedNetworkTrafficChart = ({
                       {payloadData.value === undefined ? (
                         <>N/A</>
                       ) : (
-                        <>{humanFileSize(Math.round(Number(payloadData.value)))}/s</>
+                        formatByteRate(Math.round(Number(payloadData.value)))
                       )}
                     </Text>
                   </Group>
diff --git a/packages/widgets/src/system-resources/chart/memory-chart.tsx b/packages/widgets/src/system-resources/chart/memory-chart.tsx
index 9de519199..b49ea81be 100644
--- a/packages/widgets/src/system-resources/chart/memory-chart.tsx
+++ b/packages/widgets/src/system-resources/chart/memory-chart.tsx
@@ -1,7 +1,7 @@
 import { Paper, Text } from "@mantine/core";
 import { IconBrain } from "@tabler/icons-react";
 
-import { humanFileSize } from "@homarr/common";
+import { formatBytesPair } from "@homarr/common";
 import { useScopedI18n } from "@homarr/translation/client";
 
 import type { LabelDisplayModeOption } from "..";
@@ -41,11 +41,11 @@ export const SystemResourceMemoryChart = ({
       tooltipProps={{
         content: ({ payload }) => {
           const value = payload[0] ? Number(payload[0].value) : 0;
+          const memory = formatBytesPair(Math.round(value), totalCapacityInBytes);
           return (
             <Paper px={3} py={2} shadow="md">
               <Text c="dimmed" size="xs">
-                {humanFileSize(Math.round(value))} / {humanFileSize(totalCapacityInBytes)} (
-                {Math.round((value / totalCapacityInBytes) * 100)}%)
+                {memory.used} / {memory.available} ({Math.round((value / totalCapacityInBytes) * 100)}%)
               </Text>
             </Paper>
           );
diff --git a/packages/widgets/src/system-resources/chart/network-traffic.tsx b/packages/widgets/src/system-resources/chart/network-traffic.tsx
index 9dd0b6d04..fc3b644b6 100644
--- a/packages/widgets/src/system-resources/chart/network-traffic.tsx
+++ b/packages/widgets/src/system-resources/chart/network-traffic.tsx
@@ -1,7 +1,7 @@
 import { Paper, Text } from "@mantine/core";
 import { IconArrowDown, IconArrowUp } from "@tabler/icons-react";
 
-import { humanFileSize } from "@homarr/common";
+import { formatByteRate } from "@homarr/common";
 import { useScopedI18n } from "@homarr/translation/client";
 
 import type { LabelDisplayModeOption } from "..";
@@ -32,7 +32,7 @@ export const NetworkTrafficChart = ({
       title={isUp ? t("up") : t("down")}
       icon={isUp ? IconArrowUp : IconArrowDown}
       yAxisProps={{ domain: [0, upperBound] }}
-      lastValue={`${humanFileSize(Math.round(max))}/s`}
+      lastValue={formatByteRate(Math.round(max))}
       chartType={hasShadow ? "area" : "line"}
       labelDisplayMode={labelDisplayMode}
       tooltipProps={{
@@ -41,7 +41,7 @@ export const NetworkTrafficChart = ({
           return (
             <Paper px={3} py={2} shadow="md">
               <Text c="dimmed" size="xs">
-                {humanFileSize(Math.round(value))}/s
+                {formatByteRate(Math.round(value))}
               </Text>
             </Paper>
           );