diff --git a/web/src/features/keys/components/api-keys-cells.tsx b/web/src/features/keys/components/api-keys-cells.tsx
index d72aca89..40df40ca 100644
--- a/web/src/features/keys/components/api-keys-cells.tsx
+++ b/web/src/features/keys/components/api-keys-cells.tsx
@@ -34,6 +34,7 @@ import {
   TooltipTrigger,
 } from '@/components/ui/tooltip'
 import { copyToClipboard } from '@/lib/copy-to-clipboard'
+import { formatQuota } from '@/lib/format'
 
 import type { ApiKey } from '../types'
 import { useApiKeys } from './api-keys-provider'
@@ -141,6 +142,40 @@ export function ApiKeyCell({ apiKey }: { apiKey: ApiKey }) {
   )
 }
 
+type UnlimitedQuotaBadgeProps = {
+  used: number
+}
+
+export function UnlimitedQuotaBadge(props: UnlimitedQuotaBadgeProps) {
+  const { t } = useTranslation()
+  const formattedUsed = formatQuota(props.used)
+
+  return (
+    <Popover>
+      <PopoverTrigger
+        render={
+          <button
+            type='button'
+            className='focus-visible:ring-ring/50 -ml-1.5 cursor-help rounded-4xl focus-visible:ring-[3px] focus-visible:outline-none'
+            aria-label={`${t('Unlimited')}; ${t('Used:')} ${formattedUsed}`}
+          />
+        }
+      >
+        <StatusBadge
+          label={t('Unlimited')}
+          variant='neutral'
+          copyable={false}
+        />
+      </PopoverTrigger>
+      <PopoverContent className='w-auto p-2' side='top'>
+        <span className='text-xs'>
+          {t('Used:')} {formattedUsed}
+        </span>
+      </PopoverContent>
+    </Popover>
+  )
+}
+
 export function ModelLimitsCell({ apiKey }: { apiKey: ApiKey }) {
   const { t } = useTranslation()
 
diff --git a/web/src/features/keys/components/api-keys-columns.tsx b/web/src/features/keys/components/api-keys-columns.tsx
index a3584a12..645d0513 100644
--- a/web/src/features/keys/components/api-keys-columns.tsx
+++ b/web/src/features/keys/components/api-keys-columns.tsx
@@ -41,8 +41,9 @@ import type { ApiKey } from '../types'
 import { ApiKeyTimestampCell } from './api-key-timestamp-cell'
 import {
   ApiKeyCell,
-  ModelLimitsCell,
   IpRestrictionsCell,
+  ModelLimitsCell,
+  UnlimitedQuotaBadge,
 } from './api-keys-cells'
 import { DataTableRowActions } from './data-table-row-actions'
 
@@ -145,14 +146,7 @@ export function useApiKeysColumns(now: number): ColumnDef<ApiKey>[] {
       cell: ({ row }) => {
         const apiKey = row.original
         if (apiKey.unlimited_quota) {
-          return (
-            <StatusBadge
-              label={t('Unlimited')}
-              variant='neutral'
-              copyable={false}
-              className='-ml-1.5'
-            />
-          )
+          return <UnlimitedQuotaBadge used={apiKey.used_quota} />
         }
 
         const used = apiKey.used_quota
diff --git a/web/src/features/keys/components/api-keys-table.tsx b/web/src/features/keys/components/api-keys-table.tsx
index 079505b2..3561df52 100644
--- a/web/src/features/keys/components/api-keys-table.tsx
+++ b/web/src/features/keys/components/api-keys-table.tsx
@@ -53,7 +53,7 @@ import {
   ERROR_MESSAGES,
 } from '../constants'
 import type { ApiKey } from '../types'
-import { ApiKeyCell } from './api-keys-cells'
+import { ApiKeyCell, UnlimitedQuotaBadge } from './api-keys-cells'
 import { useApiKeysColumns } from './api-keys-columns'
 import { useApiKeys } from './api-keys-provider'
 import { DataTableBulkActions } from './data-table-bulk-actions'
@@ -168,7 +168,7 @@ function ApiKeysMobileList({
             <div className='flex items-center justify-between gap-2 text-xs'>
               <span className='text-muted-foreground'>{t('Quota')}</span>
               {apiKey.unlimited_quota ? (
-                <span className='font-medium'>{t('Unlimited')}</span>
+                <UnlimitedQuotaBadge used={apiKey.used_quota} />
               ) : (
                 <span className='font-medium tabular-nums'>
                   {formatQuota(apiKey.remain_quota)}