diff --git a/frontend/src/components/AssignSpoolModal.tsx b/frontend/src/components/AssignSpoolModal.tsx
index 10011af81..222e84391 100644
--- a/frontend/src/components/AssignSpoolModal.tsx
+++ b/frontend/src/components/AssignSpoolModal.tsx
@@ -177,7 +177,7 @@ export function AssignSpoolModal({ isOpen, onClose, printerId, amsId, trayId, tr
                         <p className="text-xs text-bambu-gray">
                           {spool.color_name || ''}
                           {spool.label_weight ? ` - ${spool.label_weight}g` : ''}
-                          {spool.weight_used > 0 ? ` (${Math.round(spool.weight_used)}g used)` : ''}
+                          {spool.label_weight ? ` (${Math.max(0, Math.round(spool.label_weight - spool.weight_used))}g ${t('ams.remainingUnit')})` : ''}
                         </p>
                       </div>
                       {selectedSpoolId === spool.id && (
diff --git a/frontend/src/components/FilamentHoverCard.tsx b/frontend/src/components/FilamentHoverCard.tsx
index f1adb160c..503d02868 100644
--- a/frontend/src/components/FilamentHoverCard.tsx
+++ b/frontend/src/components/FilamentHoverCard.tsx
@@ -24,7 +24,7 @@ interface SpoolmanConfig {
 interface InventoryConfig {
   onAssignSpool?: () => void;
   onUnassignSpool?: () => void;
-  assignedSpool?: { id: number; material: string; brand: string | null; color_name: string | null } | null;
+  assignedSpool?: { id: number; material: string; brand: string | null; color_name: string | null; remainingWeightGrams?: number | null } | null;
 }
 
 interface ConfigureSlotConfig {
@@ -148,6 +148,7 @@ export function FilamentHoverCard({ data, children, disabled, className = '', sp
   };
 
   const colorHex = data.colorHex ? `#${data.colorHex.replace('#', '')}` : null;
+  const assignedRemainingWeight = inventory?.assignedSpool?.remainingWeightGrams ?? null;
 
   return (
     <div
@@ -238,7 +239,10 @@ export function FilamentHoverCard({ data, children, disabled, className = '', sp
                     {t('ams.fill')}
                   </span>
                   <span className="text-xs text-white font-semibold flex items-center gap-1">
-                    {data.fillLevel !== null ? `${data.fillLevel}%` : '—'}
+                    <span>{data.fillLevel !== null ? `${data.fillLevel}%` : '—'}</span>
+                    {assignedRemainingWeight !== null && data.fillLevel !== null && (
+                      <span className="text-[9px] text-bambu-gray font-normal">• {assignedRemainingWeight}g</span>
+                    )}
                     {data.fillSource === 'spoolman' && data.fillLevel !== null && (
                       <span className="text-[9px] text-bambu-gray font-normal">{t('spoolman.fillSourceLabel')}</span>
                     )}
diff --git a/frontend/src/i18n/locales/de.ts b/frontend/src/i18n/locales/de.ts
index 2c4b87003..90ed1151d 100644
--- a/frontend/src/i18n/locales/de.ts
+++ b/frontend/src/i18n/locales/de.ts
@@ -2682,6 +2682,8 @@ export default {
     kFactor: 'K-Faktor',
     fill: 'Füllstand',
     configure: 'Konfigurieren',
+    used: 'verwendet',
+    remainingUnit: 'verbleibend',
   },
 
   // Print modal
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 36a4a9f43..4a60844a7 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -2686,6 +2686,8 @@ export default {
     kFactor: 'K Factor',
     fill: 'Fill',
     configure: 'Configure',
+    used: 'used',
+    remainingUnit: 'remaining',
   },
 
   // Print modal
diff --git a/frontend/src/i18n/locales/fr.ts b/frontend/src/i18n/locales/fr.ts
index 08e10d7d8..f176a0fb6 100644
--- a/frontend/src/i18n/locales/fr.ts
+++ b/frontend/src/i18n/locales/fr.ts
@@ -2674,6 +2674,8 @@ export default {
     kFactor: 'Facteur K',
     fill: 'Remplir',
     configure: 'Configurer',
+    used: 'utilisé',
+    remainingUnit: 'restant',
   },
 
   // Print modal
diff --git a/frontend/src/i18n/locales/it.ts b/frontend/src/i18n/locales/it.ts
index 1afc233be..e9ca369e6 100644
--- a/frontend/src/i18n/locales/it.ts
+++ b/frontend/src/i18n/locales/it.ts
@@ -2347,7 +2347,7 @@ export default {
     kProfiles: 'K-Profiles',
     addKProfile: 'Aggiungi K-Profile',
     assignSpool: 'Assegna Bobina',
-    unassignSpool: 'Deassegna',
+    unassignSpool: 'Scollega',
     assignSuccess: 'Bobina assegnata e slot AMS configurato',
     assignFailed: 'Assegnazione bobina fallita',
     selectSpool: 'Seleziona una bobina da assegnare a questo slot',
@@ -2397,8 +2397,10 @@ export default {
     externalSpool: 'Bobina esterna',
     profile: 'Profilo',
     kFactor: 'K Factor',
-    fill: 'Riempi',
+    fill: 'Livello',
     configure: 'Configura',
+    used: 'utilizzato',
+    remainingUnit: 'rimanente',
   },
 
   // Print modal
diff --git a/frontend/src/i18n/locales/ja.ts b/frontend/src/i18n/locales/ja.ts
index 390012f88..2637cd2e1 100644
--- a/frontend/src/i18n/locales/ja.ts
+++ b/frontend/src/i18n/locales/ja.ts
@@ -2604,6 +2604,8 @@ export default {
     kFactor: 'K値',
     fill: '充填率',
     configure: '設定',
+    used: '使用済み',
+    remainingUnit: '残り',
   },
   printModal: {
     flowCalibration: 'フローキャリブレーション',
diff --git a/frontend/src/pages/PrintersPage.tsx b/frontend/src/pages/PrintersPage.tsx
index 0bb9cea71..859be1fa1 100644
--- a/frontend/src/pages/PrintersPage.tsx
+++ b/frontend/src/pages/PrintersPage.tsx
@@ -2907,6 +2907,7 @@ function PrinterCard({
                                               material: assignment.spool.material,
                                               brand: assignment.spool.brand,
                                               color_name: assignment.spool.color_name,
+                                              remainingWeightGrams: Math.max(0, Math.round(assignment.spool.label_weight - assignment.spool.weight_used)),
                                             } : null,
                                             onAssignSpool: filamentData.vendor !== 'Bambu Lab' ? () => setAssignSpoolModal({
                                               printerId: printer.id,
@@ -3144,6 +3145,7 @@ function PrinterCard({
                                           material: assignment.spool.material,
                                           brand: assignment.spool.brand,
                                           color_name: assignment.spool.color_name,
+                                          remainingWeightGrams: Math.max(0, Math.round(assignment.spool.label_weight - assignment.spool.weight_used)),
                                         } : null,
                                         onAssignSpool: filamentData.vendor !== 'Bambu Lab' ? () => setAssignSpoolModal({
                                           printerId: printer.id,
@@ -3330,6 +3332,7 @@ function PrinterCard({
                                             material: assignment.spool.material,
                                             brand: assignment.spool.brand,
                                             color_name: assignment.spool.color_name,
+                                            remainingWeightGrams: Math.max(0, Math.round(assignment.spool.label_weight - assignment.spool.weight_used)),
                                           } : null,
                                           onAssignSpool: () => setAssignSpoolModal({
                                             printerId: printer.id,