diff --git a/frontend/src/components/PrintModal/FilamentMapping.tsx b/frontend/src/components/PrintModal/FilamentMapping.tsx
index 46cda6e2a..a6ef51ffd 100644
--- a/frontend/src/components/PrintModal/FilamentMapping.tsx
+++ b/frontend/src/components/PrintModal/FilamentMapping.tsx
@@ -52,6 +52,21 @@ export function FilamentMapping({
     return map;
   }, [assignments]);
 
+  const trayRemainingWeightMap = useMemo(() => {
+    const map = new Map<number, number | null>();
+    for (const assignment of assignments || []) {
+      const isExternal = assignment.ams_id === 255;
+      const globalTrayId = getGlobalTrayId(assignment.ams_id, assignment.tray_id, isExternal);
+      const spool = assignment.spool;
+      if (!spool) {
+        map.set(globalTrayId, null);
+        continue;
+      }
+      map.set(globalTrayId, Math.max(0, Math.round((spool.label_weight ?? 0) - (spool.weight_used ?? 0))));
+    }
+    return map;
+  }, [assignments]);
+
   const totalCost = useMemo(() => {
     let total = 0;
     for (const item of filamentComparison) {
@@ -198,11 +213,20 @@ export function FilamentMapping({
                 </option>
                 {loadedFilaments
                   .filter((f) => item.nozzle_id == null || f.extruderId === item.nozzle_id)
-                  .map((f) => (
+                  .map((f) => {
+                    const remainingWeight = trayRemainingWeightMap.get(f.globalTrayId);
+                    const remainingLabel = remainingWeight != null
+                      ? t('printModal.slotRemainingShort', {
+                          grams: remainingWeight,
+                          defaultValue: ` - ${remainingWeight}g left`,
+                        })
+                      : '';
+                    return (
                   <option key={f.globalTrayId} value={f.globalTrayId} className="bg-bambu-dark text-white">
-                    {f.label}: {f.type} ({f.colorName})
+                    {f.label}: {f.type} ({f.colorName}){remainingLabel}
                   </option>
-                ))}
+                    );
+                  })}
               </select>
               {/* Status icon */}
               {item.status === 'match' ? (
diff --git a/frontend/src/i18n/locales/de.ts b/frontend/src/i18n/locales/de.ts
index 9307e8732..5177a3eb5 100644
--- a/frontend/src/i18n/locales/de.ts
+++ b/frontend/src/i18n/locales/de.ts
@@ -2744,6 +2744,7 @@ export default {
     selectPlate: 'Platte auswählen',
     filamentMapping: 'Filamentzuordnung',
     totalCost: 'Gesamtkosten:',
+    slotRemainingShort: ' - {{grams}}g übrig',
     printSettings: 'Druckeinstellungen',
     bedLeveling: 'Bett-Nivellierung',
     flowCalibration: 'Fluss-Kalibrierung',
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 09ba17fe3..7dfd40772 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -2748,6 +2748,7 @@ export default {
     selectPlate: 'Select Plate',
     filamentMapping: 'Filament Mapping',
     totalCost: 'Total cost:',
+    slotRemainingShort: ' - {{grams}}g left',
     printSettings: 'Print Settings',
     bedLeveling: 'Bed Leveling',
     flowCalibration: 'Flow Calibration',
diff --git a/frontend/src/i18n/locales/fr.ts b/frontend/src/i18n/locales/fr.ts
index 8af201a5d..c1e83e6b5 100644
--- a/frontend/src/i18n/locales/fr.ts
+++ b/frontend/src/i18n/locales/fr.ts
@@ -2732,6 +2732,7 @@ export default {
     selectPlate: 'Choisir le plateau',
     filamentMapping: 'Mapping Filament',
     totalCost: 'Coût total :',
+    slotRemainingShort: ' - {{grams}}g rest.',
     printSettings: 'Réglages d\'impression',
     bedLeveling: 'Nivellement plateau',
     flowCalibration: 'Calibration débit',
diff --git a/frontend/src/i18n/locales/it.ts b/frontend/src/i18n/locales/it.ts
index 67f05a0e9..954d49258 100644
--- a/frontend/src/i18n/locales/it.ts
+++ b/frontend/src/i18n/locales/it.ts
@@ -2457,6 +2457,7 @@ export default {
     selectPlate: 'Seleziona piatto',
     filamentMapping: 'Mappatura filamento',
     totalCost: 'Costo totale:',
+    slotRemainingShort: ' - {{grams}}g rim.',
     printSettings: 'Impostazioni stampa',
     bedLeveling: 'Livellamento piatto',
     flowCalibration: 'Calibrazione flusso',
diff --git a/frontend/src/i18n/locales/ja.ts b/frontend/src/i18n/locales/ja.ts
index 58ee1f9fd..8716177c6 100644
--- a/frontend/src/i18n/locales/ja.ts
+++ b/frontend/src/i18n/locales/ja.ts
@@ -2666,6 +2666,7 @@ export default {
     selectPlate: 'プレートを選択',
     filamentMapping: 'フィラメントマッピング',
     totalCost: '合計コスト:',
+    slotRemainingShort: ' - 残{{grams}}g',
     printSettings: '印刷設定',
     bedLeveling: 'ベッドレベリング',
     layerInspection: '第一層検査',
diff --git a/frontend/src/i18n/locales/pt-BR.ts b/frontend/src/i18n/locales/pt-BR.ts
index e5d949c06..9e2614e7d 100644
--- a/frontend/src/i18n/locales/pt-BR.ts
+++ b/frontend/src/i18n/locales/pt-BR.ts
@@ -2742,6 +2742,7 @@ export default {
     selectPlate: 'Selecionar Placa',
     filamentMapping: 'Mapeamento de Filamento',
     totalCost: 'Custo total:',
+    slotRemainingShort: ' - {{grams}}g rest.',
     printSettings: 'Configurações de Impressão',
     bedLeveling: 'Nivelamento da Mesa',
     flowCalibration: 'Calibração de Fluxo',