diff --git a/web/src/lib/components/admin-page/server-stats/server-stats-panel.svelte b/web/src/lib/components/admin-page/server-stats/server-stats-panel.svelte
index 6842387df7..401622f63e 100644
--- a/web/src/lib/components/admin-page/server-stats/server-stats-panel.svelte
+++ b/web/src/lib/components/admin-page/server-stats/server-stats-panel.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
   import Icon from '$lib/components/elements/icon.svelte';
   import { locale } from '$lib/stores/preferences.store';
-  import { asByteUnitString, getBytesWithUnit } from '$lib/utils/byte-units';
+  import { getByteUnitString, getBytesWithUnit } from '$lib/utils/byte-units';
   import type { ServerStatsResponseDto } from '@immich/sdk';
   import { mdiCameraIris, mdiChartPie, mdiPlayCircle } from '@mdi/js';
   import StatsCard from './stats-card.svelte';
@@ -102,9 +102,9 @@
             <td class="w-1/4 text-ellipsis px-2 text-sm">{user.photos.toLocaleString($locale)}</td>
             <td class="w-1/4 text-ellipsis px-2 text-sm">{user.videos.toLocaleString($locale)}</td>
             <td class="w-1/4 text-ellipsis px-2 text-sm">
-              {asByteUnitString(user.usage, $locale, 0)}
+              {getByteUnitString(user.usage, $locale, 0)}
               {#if user.quotaSizeInBytes}
-                / {asByteUnitString(user.quotaSizeInBytes, $locale, 0)}
+                / {getByteUnitString(user.quotaSizeInBytes, $locale, 0)}
               {/if}
               <span class="text-immich-primary dark:text-immich-dark-primary">
                 {#if user.quotaSizeInBytes}
diff --git a/web/src/lib/components/admin-page/server-stats/stats-card.svelte b/web/src/lib/components/admin-page/server-stats/stats-card.svelte
index 662a39803e..6d2cca6c4e 100644
--- a/web/src/lib/components/admin-page/server-stats/stats-card.svelte
+++ b/web/src/lib/components/admin-page/server-stats/stats-card.svelte
@@ -1,10 +1,11 @@
 <script lang="ts">
   import Icon from '$lib/components/elements/icon.svelte';
+  import { ByteUnit } from '$lib/utils/byte-units';
 
   export let icon: string;
   export let title: string;
   export let value: number;
-  export let unit: string | undefined = undefined;
+  export let unit: ByteUnit | undefined = undefined;
 
   $: zeros = () => {
     const maxLength = 13;
@@ -26,7 +27,7 @@
       class="text-immich-primary dark:text-immich-dark-primary">{value}</span
     >
     {#if unit}
-      <span class="absolute -top-5 right-2 text-base font-light text-gray-400">{unit}</span>
+      <span class="absolute -top-5 right-2 text-base font-light text-gray-400">{ByteUnit[unit]}</span>
     {/if}
   </div>
 </div>
diff --git a/web/src/lib/components/asset-viewer/detail-panel.svelte b/web/src/lib/components/asset-viewer/detail-panel.svelte
index 89509fd712..5414871adb 100644
--- a/web/src/lib/components/asset-viewer/detail-panel.svelte
+++ b/web/src/lib/components/asset-viewer/detail-panel.svelte
@@ -32,7 +32,7 @@
   import { DateTime } from 'luxon';
   import { createEventDispatcher, onMount } from 'svelte';
   import { slide } from 'svelte/transition';
-  import { asByteUnitString } from '$lib/utils/byte-units';
+  import { getByteUnitString } from '$lib/utils/byte-units';
   import { handleError } from '$lib/utils/handle-error';
   import ImageThumbnail from '../assets/thumbnail/image-thumbnail.svelte';
   import CircleIconButton from '../elements/buttons/circle-icon-button.svelte';
@@ -372,7 +372,7 @@
               {@const { width, height } = getDimensions(asset.exifInfo)}
               <p>{width} x {height}</p>
             {/if}
-            <p>{asByteUnitString(asset.exifInfo.fileSizeInByte, $locale)}</p>
+            <p>{getByteUnitString(asset.exifInfo.fileSizeInByte, $locale)}</p>
           </div>
           {#if showAssetPath}
             <p class="text-xs opacity-50 break-all" transition:slide={{ duration: 250 }}>
diff --git a/web/src/lib/components/asset-viewer/download-panel.svelte b/web/src/lib/components/asset-viewer/download-panel.svelte
index 13f3b89219..19a1d88370 100644
--- a/web/src/lib/components/asset-viewer/download-panel.svelte
+++ b/web/src/lib/components/asset-viewer/download-panel.svelte
@@ -2,7 +2,7 @@
   import { type DownloadProgress, downloadAssets, downloadManager, isDownloading } from '$lib/stores/download';
   import { locale } from '$lib/stores/preferences.store';
   import { fly, slide } from 'svelte/transition';
-  import { asByteUnitString } from '../../utils/byte-units';
+  import { getByteUnitString } from '../../utils/byte-units';
   import CircleIconButton from '../elements/buttons/circle-icon-button.svelte';
   import { mdiClose } from '@mdi/js';
   import { t } from 'svelte-i18n';
@@ -27,7 +27,7 @@
             <div class="flex place-items-center justify-between gap-2 text-xs font-medium">
               <p class="truncate">■ {downloadKey}</p>
               {#if download.total}
-                <p class="whitespace-nowrap">{asByteUnitString(download.total, $locale)}</p>
+                <p class="whitespace-nowrap">{getByteUnitString(download.total, $locale)}</p>
               {/if}
             </div>
             <div class="flex place-items-center gap-2">
diff --git a/web/src/lib/components/forms/create-user-form.svelte b/web/src/lib/components/forms/create-user-form.svelte
index f46685a5d9..f690301706 100644
--- a/web/src/lib/components/forms/create-user-form.svelte
+++ b/web/src/lib/components/forms/create-user-form.svelte
@@ -1,6 +1,5 @@
 <script lang="ts">
   import { serverInfo } from '$lib/stores/server-info.store';
-  import { convertToBytes } from '$lib/utils/byte-converter';
   import { handleError } from '$lib/utils/handle-error';
   import { createUserAdmin } from '@immich/sdk';
   import { createEventDispatcher } from 'svelte';
@@ -10,6 +9,7 @@
   import FullScreenModal from '$lib/components/shared-components/full-screen-modal.svelte';
   import { featureFlags } from '$lib/stores/server-config.store';
   import { t } from 'svelte-i18n';
+  import { ByteUnit, convertToBytes } from '$lib/utils/byte-units';
 
   export let onClose: () => void;
 
@@ -27,7 +27,7 @@
   let quotaSize: number | undefined;
   let isCreatingUser = false;
 
-  $: quotaSizeInBytes = quotaSize ? convertToBytes(quotaSize, 'GiB') : null;
+  $: quotaSizeInBytes = quotaSize ? convertToBytes(quotaSize, ByteUnit.GiB) : null;
   $: quotaSizeWarning = quotaSizeInBytes && quotaSizeInBytes > $serverInfo.diskSizeRaw;
 
   $: {
diff --git a/web/src/lib/components/forms/edit-user-form.svelte b/web/src/lib/components/forms/edit-user-form.svelte
index 15a03883ce..3133d162d3 100644
--- a/web/src/lib/components/forms/edit-user-form.svelte
+++ b/web/src/lib/components/forms/edit-user-form.svelte
@@ -2,7 +2,6 @@
   import FullScreenModal from '$lib/components/shared-components/full-screen-modal.svelte';
   import { AppRoute } from '$lib/constants';
   import { serverInfo } from '$lib/stores/server-info.store';
-  import { convertFromBytes, convertToBytes } from '$lib/utils/byte-converter';
   import { handleError } from '$lib/utils/handle-error';
   import { updateUserAdmin, type UserAdminResponseDto } from '@immich/sdk';
   import { mdiAccountEditOutline } from '@mdi/js';
@@ -10,6 +9,7 @@
   import Button from '../elements/buttons/button.svelte';
   import { dialogController } from '$lib/components/shared-components/dialog/dialog';
   import { t } from 'svelte-i18n';
+  import { ByteUnit, convertFromBytes, convertToBytes } from '$lib/utils/byte-units';
 
   export let user: UserAdminResponseDto;
   export let canResetPassword = true;
@@ -18,14 +18,14 @@
 
   let error: string;
   let success: string;
-  let quotaSize = user.quotaSizeInBytes ? convertFromBytes(user.quotaSizeInBytes, 'GiB') : null;
+  let quotaSize = user.quotaSizeInBytes ? convertFromBytes(user.quotaSizeInBytes, ByteUnit.GiB) : null;
 
   const previousQutoa = user.quotaSizeInBytes;
 
   $: quotaSizeWarning =
-    previousQutoa !== convertToBytes(Number(quotaSize), 'GiB') &&
+    previousQutoa !== convertToBytes(Number(quotaSize), ByteUnit.GiB) &&
     !!quotaSize &&
-    convertToBytes(Number(quotaSize), 'GiB') > $serverInfo.diskSizeRaw;
+    convertToBytes(Number(quotaSize), ByteUnit.GiB) > $serverInfo.diskSizeRaw;
 
   const dispatch = createEventDispatcher<{
     close: void;
@@ -42,7 +42,7 @@
           email,
           name,
           storageLabel: storageLabel || '',
-          quotaSizeInBytes: quotaSize ? convertToBytes(Number(quotaSize), 'GiB') : null,
+          quotaSizeInBytes: quotaSize ? convertToBytes(Number(quotaSize), ByteUnit.GiB) : null,
         },
       });
 
diff --git a/web/src/lib/components/shared-components/status-box.svelte b/web/src/lib/components/shared-components/status-box.svelte
index b53f4e5e05..f4d5a268cc 100644
--- a/web/src/lib/components/shared-components/status-box.svelte
+++ b/web/src/lib/components/shared-components/status-box.svelte
@@ -3,7 +3,7 @@
   import { locale } from '$lib/stores/preferences.store';
   import { websocketStore } from '$lib/stores/websocket';
   import { onMount } from 'svelte';
-  import { asByteUnitString } from '../../utils/byte-units';
+  import { getByteUnitString } from '../../utils/byte-units';
   import LoadingSpinner from './loading-spinner.svelte';
   import { mdiChartPie, mdiDns } from '@mdi/js';
   import { serverInfo } from '$lib/stores/server-info.store';
@@ -47,7 +47,7 @@
 <div class="dark:text-immich-dark-fg">
   <div
     class="storage-status grid grid-cols-[64px_auto]"
-    title="Used {asByteUnitString(usedBytes, $locale, 3)} of {asByteUnitString(availableBytes, $locale, 3)}"
+    title="Used {getByteUnitString(usedBytes, $locale, 3)} of {getByteUnitString(availableBytes, $locale, 3)}"
   >
     <div class="pb-[2.15rem] pl-5 pr-6 text-immich-primary dark:text-immich-dark-primary group-hover:sm:pb-0 md:pb-0">
       <Icon path={mdiChartPie} size="24" />
@@ -61,8 +61,8 @@
         <p class="text-xs">
           {$t('storage_usage', {
             values: {
-              used: asByteUnitString(usedBytes, $locale),
-              available: asByteUnitString(availableBytes, $locale),
+              used: getByteUnitString(usedBytes, $locale),
+              available: getByteUnitString(availableBytes, $locale),
             },
           })}
         </p>
diff --git a/web/src/lib/components/shared-components/upload-asset-preview.svelte b/web/src/lib/components/shared-components/upload-asset-preview.svelte
index 248c814f83..a970ca2d4c 100644
--- a/web/src/lib/components/shared-components/upload-asset-preview.svelte
+++ b/web/src/lib/components/shared-components/upload-asset-preview.svelte
@@ -2,7 +2,7 @@
   import type { UploadAsset } from '$lib/models/upload-asset';
   import { UploadState } from '$lib/models/upload-asset';
   import { locale } from '$lib/stores/preferences.store';
-  import { asByteUnitString } from '$lib/utils/byte-units';
+  import { getByteUnitString } from '$lib/utils/byte-units';
   import { fade } from 'svelte/transition';
   import ImmichLogo from './immich-logo.svelte';
   import { getFilenameExtension } from '$lib/utils/asset-utils';
@@ -42,7 +42,7 @@
       <input
         disabled
         class="w-full rounded-md border bg-gray-100 p-1 px-2 text-[10px] dark:border-immich-dark-gray dark:bg-gray-900"
-        value={`[${asByteUnitString(uploadAsset.file.size, $locale)}] ${uploadAsset.file.name}`}
+        value={`[${getByteUnitString(uploadAsset.file.size, $locale)}] ${uploadAsset.file.name}`}
       />
 
       <div
@@ -55,7 +55,7 @@
             {#if uploadAsset.message}
               {uploadAsset.message}
             {:else}
-              {uploadAsset.progress}% - {asByteUnitString(uploadAsset.speed || 0, $locale)}/s - {uploadAsset.eta}s
+              {uploadAsset.progress}% - {getByteUnitString(uploadAsset.speed || 0, $locale)}/s - {uploadAsset.eta}s
             {/if}
           </p>
         {:else if uploadAsset.state === UploadState.PENDING}
diff --git a/web/src/lib/components/user-settings-page/download-settings.svelte b/web/src/lib/components/user-settings-page/download-settings.svelte
index c93eaf63c1..f103f348fc 100644
--- a/web/src/lib/components/user-settings-page/download-settings.svelte
+++ b/web/src/lib/components/user-settings-page/download-settings.svelte
@@ -13,13 +13,13 @@
   import SettingInputField, {
     SettingInputFieldType,
   } from '$lib/components/shared-components/settings/setting-input-field.svelte';
-  import { convertFromBytes, convertToBytes } from '$lib/utils/byte-converter';
+  import { ByteUnit, convertFromBytes, convertToBytes } from '$lib/utils/byte-units';
 
-  let archiveSize = convertFromBytes($preferences?.download?.archiveSize || 4, 'GiB');
+  let archiveSize = convertFromBytes($preferences?.download?.archiveSize || 4, ByteUnit.GiB);
 
   const handleSave = async () => {
     try {
-      const dto = { download: { archiveSize: Math.floor(convertToBytes(archiveSize, 'GiB')) } };
+      const dto = { download: { archiveSize: Math.floor(convertToBytes(archiveSize, ByteUnit.GiB)) } };
       const newPreferences = await updateMyPreferences({ userPreferencesUpdateDto: dto });
       $preferences = newPreferences;
 
diff --git a/web/src/lib/utils/asset-utils.ts b/web/src/lib/utils/asset-utils.ts
index 9d45acbb6d..132b0459ea 100644
--- a/web/src/lib/utils/asset-utils.ts
+++ b/web/src/lib/utils/asset-utils.ts
@@ -8,7 +8,7 @@ import { downloadManager } from '$lib/stores/download';
 import { preferences } from '$lib/stores/user.store';
 import { downloadRequest, getKey, s, withError } from '$lib/utils';
 import { createAlbum } from '$lib/utils/album-utils';
-import { asByteUnitString } from '$lib/utils/byte-units';
+import { getByteUnitString } from '$lib/utils/byte-units';
 import { encodeHTMLSpecialChars } from '$lib/utils/string-utils';
 import {
   addAssetsToAlbum as addAssets,
@@ -232,7 +232,7 @@ export function isFlipped(orientation?: string | null) {
 
 export function getFileSize(asset: AssetResponseDto): string {
   const size = asset.exifInfo?.fileSizeInByte || 0;
-  return size > 0 ? asByteUnitString(size, undefined, 4) : 'Invalid Data';
+  return size > 0 ? getByteUnitString(size, undefined, 4) : 'Invalid Data';
 }
 
 export function getAssetResolution(asset: AssetResponseDto): string {
diff --git a/web/src/lib/utils/byte-converter.ts b/web/src/lib/utils/byte-converter.ts
deleted file mode 100644
index f855efa74c..0000000000
--- a/web/src/lib/utils/byte-converter.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-/**
- * Convert to bytes from on a specified unit.
- *
- * * `1, 'GiB'`, returns `1073741824` bytes
- *
- * @param size value to be converted
- * @param unit unit to convert from
- * @returns bytes (number)
- */
-export function convertToBytes(size: number, unit: 'GiB'): number {
-  let bytes = 0;
-
-  if (unit === 'GiB') {
-    bytes = size * 1_073_741_824;
-  }
-
-  return bytes;
-}
-
-/**
- * Convert from bytes to a specified unit.
- *
- * * `11073741824, 'GiB'`, returns `1` GiB
- *
- * @param bytes value to be converted
- * @param unit unit to convert to
- * @returns bytes (number)
- */
-export function convertFromBytes(bytes: number, unit: 'GiB'): number {
-  let size = 0;
-
-  if (unit === 'GiB') {
-    size = bytes / 1_073_741_824;
-  }
-
-  return size;
-}
diff --git a/web/src/lib/utils/byte-units.spec.ts b/web/src/lib/utils/byte-units.spec.ts
new file mode 100644
index 0000000000..842b8ec6a5
--- /dev/null
+++ b/web/src/lib/utils/byte-units.spec.ts
@@ -0,0 +1,25 @@
+import { ByteUnit, getByteUnitString, getBytesWithUnit } from '$lib/utils/byte-units';
+
+describe('getBytesWithUnit', () => {
+  const tests = [
+    { bytes: 0, expected: [0, ByteUnit.B] },
+    { bytes: 42 * 2 ** 20, expected: [42, ByteUnit.MiB] },
+    { bytes: 69 * 2 ** 20 + 420 * 2 ** 19, expected: [279, ByteUnit.MiB] },
+    { bytes: 42 + 1337, maxPrecision: 3, expected: [1.347, ByteUnit.KiB] },
+    { bytes: 42 + 69, expected: [111, ByteUnit.B] },
+    { bytes: 2 ** 30 - 1, expected: [1024, ByteUnit.MiB] },
+    { bytes: 2 ** 30, expected: [1, ByteUnit.GiB] },
+    { bytes: 2 ** 30 + 1, expected: [1, ByteUnit.GiB] },
+  ];
+  for (const { bytes, maxPrecision, expected } of tests) {
+    it(`${bytes} should be split up in the factor ${expected[0]} and unit ${expected[1]}`, () => {
+      expect(getBytesWithUnit(bytes, maxPrecision)).toEqual(expected);
+    });
+  }
+});
+
+describe('asByteUnitString', () => {
+  it('should correctly return string', () => {
+    expect(getByteUnitString(42 * 2 ** 20)).toEqual('42 MiB');
+  });
+});
diff --git a/web/src/lib/utils/byte-units.ts b/web/src/lib/utils/byte-units.ts
index c30fede2c7..d610109d01 100644
--- a/web/src/lib/utils/byte-units.ts
+++ b/web/src/lib/utils/byte-units.ts
@@ -1,3 +1,13 @@
+export enum ByteUnit {
+  'B' = 0,
+  'KiB' = 1,
+  'MiB' = 2,
+  'GiB' = 3,
+  'TiB' = 4,
+  'PiB' = 5,
+  'EiB' = 6,
+}
+
 /**
  * Convert bytes to best human readable unit and number of that unit.
  *
@@ -8,23 +18,10 @@
  * @param maxPrecision maximum number of decimal places, default is `1`
  * @returns size (number) and unit (string)
  */
-export function getBytesWithUnit(bytes: number, maxPrecision = 1): [number, string] {
-  const units = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB'];
+export function getBytesWithUnit(bytes: number, maxPrecision = 1): [number, ByteUnit] {
+  const magnitude = Math.floor(Math.log(bytes === 0 ? 1 : bytes) / Math.log(1024));
 
-  let magnitude = 0;
-  let remainder = bytes;
-  while (remainder >= 1024) {
-    if (magnitude + 1 < units.length) {
-      magnitude++;
-      remainder /= 1024;
-    } else {
-      break;
-    }
-  }
-
-  remainder = Number.parseFloat(remainder.toFixed(maxPrecision));
-
-  return [remainder, units[magnitude]];
+  return [Number.parseFloat((bytes / 1024 ** magnitude).toFixed(maxPrecision)), magnitude];
 }
 
 /**
@@ -38,7 +35,33 @@ export function getBytesWithUnit(bytes: number, maxPrecision = 1): [number, stri
  * @param maxPrecision maximum number of decimal places, default is `1`
  * @returns localized bytes with unit as string
  */
-export function asByteUnitString(bytes: number, locale?: string, maxPrecision = 1): string {
+export function getByteUnitString(bytes: number, locale?: string, maxPrecision = 1): string {
   const [size, unit] = getBytesWithUnit(bytes, maxPrecision);
-  return `${size.toLocaleString(locale)} ${unit}`;
+  return `${size.toLocaleString(locale)} ${ByteUnit[unit]}`;
+}
+
+/**
+ * Convert to bytes from on a specified unit.
+ *
+ * * `1, 'GiB'`, returns `1073741824` bytes
+ *
+ * @param size value to be converted
+ * @param unit unit to convert from
+ * @returns bytes (number)
+ */
+export function convertToBytes(size: number, unit: ByteUnit): number {
+  return size * 1024 ** unit;
+}
+
+/**
+ * Convert from bytes to a specified unit.
+ *
+ * * `11073741824, 'GiB'`, returns `1` GiB
+ *
+ * @param bytes value to be converted
+ * @param unit unit to convert to
+ * @returns bytes (number)
+ */
+export function convertFromBytes(bytes: number, unit: ByteUnit): number {
+  return bytes / 1024 ** unit;
 }
diff --git a/web/src/routes/admin/library-management/+page.svelte b/web/src/routes/admin/library-management/+page.svelte
index dc1e19681e..dbf2092edc 100644
--- a/web/src/routes/admin/library-management/+page.svelte
+++ b/web/src/routes/admin/library-management/+page.svelte
@@ -14,7 +14,7 @@
     NotificationType,
   } from '$lib/components/shared-components/notification/notification';
   import Portal from '$lib/components/shared-components/portal/portal.svelte';
-  import { getBytesWithUnit } from '$lib/utils/byte-units';
+  import { ByteUnit, getBytesWithUnit } from '$lib/utils/byte-units';
   import { getContextMenuPosition } from '$lib/utils/context-menu';
   import { handleError } from '$lib/utils/handle-error';
   import {
@@ -49,7 +49,7 @@
   let videos: number[] = [];
   let totalCount: number[] = [];
   let diskUsage: number[] = [];
-  let diskUsageUnit: string[] = [];
+  let diskUsageUnit: ByteUnit[] = [];
 
   let confirmDeleteLibrary: LibraryResponseDto | null = null;
   let deletedLibrary: LibraryResponseDto | null = null;
diff --git a/web/src/routes/admin/user-management/+page.svelte b/web/src/routes/admin/user-management/+page.svelte
index e74ddb9606..6168a07366 100644
--- a/web/src/routes/admin/user-management/+page.svelte
+++ b/web/src/routes/admin/user-management/+page.svelte
@@ -19,7 +19,7 @@
   import { user } from '$lib/stores/user.store';
   import { websocketEvents } from '$lib/stores/websocket';
   import { copyToClipboard } from '$lib/utils';
-  import { asByteUnitString } from '$lib/utils/byte-units';
+  import { getByteUnitString } from '$lib/utils/byte-units';
   import { UserStatus, searchUsersAdmin, type UserAdminResponseDto } from '@immich/sdk';
   import { mdiClose, mdiContentCopy, mdiDeleteRestore, mdiPencilOutline, mdiTrashCanOutline } from '@mdi/js';
   import { DateTime } from 'luxon';
@@ -215,7 +215,7 @@
                 <td class="hidden xl:block w-3/12 2xl:w-2/12 text-ellipsis break-all px-2 text-sm">
                   <div class="container mx-auto flex flex-wrap justify-center">
                     {#if immichUser.quotaSizeInBytes && immichUser.quotaSizeInBytes > 0}
-                      {asByteUnitString(immichUser.quotaSizeInBytes, $locale)}
+                      {getByteUnitString(immichUser.quotaSizeInBytes, $locale)}
                     {:else}
                       <Icon path={mdiClose} size="16" />
                     {/if}