diff --git a/src/App.tsx b/src/App.tsx
index 0d73595..373eddc 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -90,6 +90,9 @@ export default function App() {
               const priceKeywords = ['price', 'eur', 'cost', 'msrp', 'net', 'gross', 'netto', 'brutto', 'pp', 'pph', 'uvp', 'vpe', 'stk'];
               const isPriceCol = priceKeywords.some(kw => header.includes(kw));
 
+              // Format weight columns (NW = Net Weight, GW = Gross Weight, kg, etc.)
+              const isWeightCol = header.includes('nw') || header.includes('gw') || header.includes('weight') || header.includes('kg');
+
               if (typeof val === 'number') {
                 return Number(val.toFixed(2));
               }
@@ -97,7 +100,7 @@ export default function App() {
               if (typeof val === 'string') {
                 const normalized = val.trim().replace(',', '.');
                 const num = parseFloat(normalized);
-                if (!isNaN(num) && (isPriceCol || val.includes('.') || val.includes(','))) {
+                if (!isNaN(num) && (isPriceCol || isWeightCol || val.includes('.') || val.includes(','))) {
                   return num.toFixed(2);
                 }
               }
@@ -161,6 +164,9 @@ export default function App() {
             const priceKeywords = ['price', 'eur', 'cost', 'msrp', 'net', 'gross', 'netto', 'brutto', 'pp', 'pph', 'uvp', 'vpe', 'stk'];
             const isPriceCol = priceKeywords.some(kw => header.includes(kw));
 
+            // Format weight columns (NW = Net Weight, GW = Gross Weight, kg, etc.)
+            const isWeightCol = header.includes('nw') || header.includes('gw') || header.includes('weight') || header.includes('kg');
+
             if (typeof val === 'number') {
               return Number(val.toFixed(2));
             }
@@ -168,7 +174,7 @@ export default function App() {
             if (typeof val === 'string') {
               const normalized = val.trim().replace(',', '.');
               const num = parseFloat(normalized);
-              if (!isNaN(num) && (isPriceCol || val.includes('.') || val.includes(','))) {
+              if (!isNaN(num) && (isPriceCol || isWeightCol || val.includes('.') || val.includes(','))) {
                 return num.toFixed(2);
               }
             }
diff --git a/src/components/MatrixView.tsx b/src/components/MatrixView.tsx
index cc59dc1..717c1be 100644
--- a/src/components/MatrixView.tsx
+++ b/src/components/MatrixView.tsx
@@ -17,10 +17,10 @@ export function MatrixView({ data, headers }: MatrixViewProps) {
 
   const formatCellValue = (val: any, header: string = '') => {
     if (val === undefined || val === null || val === '') return '';
-    
+
     // Convert header to lowercase for checks
     const h = header.toLowerCase();
-    
+
     // Do NOT format columns that are clearly IDs, barcodes, or codes
     if (h.includes('id') || h.includes('no') || h.includes('code') || h.includes('art.') || h.includes('barcode') || h.includes('article')) {
       return val;
@@ -30,6 +30,9 @@ export function MatrixView({ data, headers }: MatrixViewProps) {
     const priceKeywords = ['price', 'eur', 'cost', 'msrp', 'net', 'gross', 'netto', 'brutto', 'pp', 'pph', 'uvp', 'vpe', 'stk'];
     const isPriceCol = priceKeywords.some(kw => h.includes(kw));
 
+    // Format weight columns (NW = Net Weight, GW = Gross Weight, kg, etc.)
+    const isWeightCol = h.includes('nw') || h.includes('gw') || h.includes('weight') || h.includes('kg');
+
     // Handle numbers
     if (typeof val === 'number') {
       return val.toFixed(2);
@@ -40,10 +43,10 @@ export function MatrixView({ data, headers }: MatrixViewProps) {
       // Normalize decimals (handle comma as decimal separator)
       const normalized = val.trim().replace(',', '.');
       const num = parseFloat(normalized);
-      
+
       if (!isNaN(num)) {
-        // Format if it's a price column OR if it already has a decimal separator (.)
-        if (isPriceCol || val.includes('.') || val.includes(',')) {
+        // Format if it's a price column, weight column, OR if it already has a decimal separator (.)
+        if (isPriceCol || isWeightCol || val.includes('.') || val.includes(',')) {
           return num.toFixed(2);
         }
       }