diff --git a/attached_assets/{23C5A9FE-38C6-4571-B600-92377646DB7C}_1762252125737.png b/attached_assets/{23C5A9FE-38C6-4571-B600-92377646DB7C}_1762252125737.png
new file mode 100644
index 0000000..68346ad
Binary files /dev/null and b/attached_assets/{23C5A9FE-38C6-4571-B600-92377646DB7C}_1762252125737.png differ
diff --git a/client/src/pages/Groups.tsx b/client/src/pages/Groups.tsx
index 8b7b776..a66fd16 100644
--- a/client/src/pages/Groups.tsx
+++ b/client/src/pages/Groups.tsx
@@ -50,6 +50,7 @@ export default function Groups() {
     invoiceColumnName: "",
     nocodbBlColumnName: "",
     nocodbAmountColumnName: "",
+    nocodbInvoiceAmountTTCColumnName: "",
     nocodbSupplierColumnName: "",
     nocodbDueDateColumnName: "",
     webhookUrl: "",
@@ -106,6 +107,7 @@ export default function Groups() {
         invoiceColumnName: "",
         nocodbBlColumnName: "",
         nocodbAmountColumnName: "",
+        nocodbInvoiceAmountTTCColumnName: "",
         nocodbSupplierColumnName: "",
         nocodbDueDateColumnName: "",
         webhookUrl: "",
@@ -151,6 +153,7 @@ export default function Groups() {
         invoiceColumnName: "",
         nocodbBlColumnName: "",
         nocodbAmountColumnName: "",
+        nocodbInvoiceAmountTTCColumnName: "",
         nocodbSupplierColumnName: "",
         nocodbDueDateColumnName: "",
         webhookUrl: "",
@@ -259,6 +262,7 @@ export default function Groups() {
       invoiceColumnName: "",
       nocodbBlColumnName: "",
       nocodbAmountColumnName: "",
+      nocodbInvoiceAmountTTCColumnName: "",
       nocodbSupplierColumnName: "",
       nocodbDueDateColumnName: "",
       webhookUrl: "",
@@ -276,6 +280,7 @@ export default function Groups() {
       invoiceColumnName: group.invoiceColumnName || "",
       nocodbBlColumnName: group.nocodbBlColumnName || "",
       nocodbAmountColumnName: group.nocodbAmountColumnName || "",
+      nocodbInvoiceAmountTTCColumnName: group.nocodbInvoiceAmountTTCColumnName || "",
       nocodbSupplierColumnName: group.nocodbSupplierColumnName || "",
       nocodbDueDateColumnName: group.nocodbDueDateColumnName || "",
       webhookUrl: group.webhookUrl || "",
@@ -624,7 +629,7 @@ export default function Groups() {
                       </div>
 
                       <div>
-                        <Label htmlFor="nocodbAmountColumnName">Colonne Montant</Label>
+                        <Label htmlFor="nocodbAmountColumnName">Colonne Montant HT</Label>
                         <Input
                           id="nocodbAmountColumnName"
                           value={formData.nocodbAmountColumnName}
@@ -633,6 +638,16 @@ export default function Groups() {
                         />
                       </div>
 
+                      <div>
+                        <Label htmlFor="nocodbInvoiceAmountTTCColumnName">Colonne Montant TTC</Label>
+                        <Input
+                          id="nocodbInvoiceAmountTTCColumnName"
+                          value={formData.nocodbInvoiceAmountTTCColumnName}
+                          onChange={(e) => handleChange('nocodbInvoiceAmountTTCColumnName', e.target.value)}
+                          placeholder="ex: Montant_TTC"
+                        />
+                      </div>
+
                       <div>
                         <Label htmlFor="nocodbSupplierColumnName">Colonne Fournisseur</Label>
                         <Input
@@ -713,6 +728,7 @@ export default function Groups() {
                     invoiceColumnName: "",
                     nocodbBlColumnName: "",
                     nocodbAmountColumnName: "",
+                    nocodbInvoiceAmountTTCColumnName: "",
                     nocodbSupplierColumnName: "",
                     nocodbDueDateColumnName: "",
                     webhookUrl: "",
diff --git a/client/src/pages/PaymentSchedulePage.tsx b/client/src/pages/PaymentSchedulePage.tsx
index 6334206..3a86198 100644
--- a/client/src/pages/PaymentSchedulePage.tsx
+++ b/client/src/pages/PaymentSchedulePage.tsx
@@ -18,6 +18,7 @@ interface PaymentSchedule {
   invoiceReference: string;
   dueDate: string;
   amount: number;
+  amountTTC: number;
   supplierName: string;
   paymentMethod: string | null;
   groupId: number;
@@ -87,12 +88,17 @@ export default function PaymentSchedulePage() {
       });
   }, [data?.schedules, selectedMonth]);
 
-  // Calculer le total du mois
+  // Calculer le total du mois (HT)
   const monthTotal = useMemo(() => {
     return filteredSchedules.reduce((sum, schedule) => sum + schedule.amount, 0);
   }, [filteredSchedules]);
 
-  // Grouper par mode de paiement
+  // Calculer le total du mois (TTC)
+  const monthTotalTTC = useMemo(() => {
+    return filteredSchedules.reduce((sum, schedule) => sum + schedule.amountTTC, 0);
+  }, [filteredSchedules]);
+
+  // Grouper par mode de paiement (HT)
   const paymentMethodTotals = useMemo(() => {
     const totals: Record<string, number> = {};
     filteredSchedules.forEach(schedule => {
@@ -102,6 +108,16 @@ export default function PaymentSchedulePage() {
     return totals;
   }, [filteredSchedules]);
 
+  // Grouper par mode de paiement (TTC)
+  const paymentMethodTotalsTTC = useMemo(() => {
+    const totals: Record<string, number> = {};
+    filteredSchedules.forEach(schedule => {
+      const method = schedule.paymentMethod || 'Non défini';
+      totals[method] = (totals[method] || 0) + schedule.amountTTC;
+    });
+    return totals;
+  }, [filteredSchedules]);
+
   if (!selectedStoreId) {
     return (
       <div className="flex-1 flex items-center justify-center">
@@ -188,10 +204,21 @@ export default function PaymentSchedulePage() {
             <DollarSign className="h-4 w-4 text-muted-foreground" />
           </CardHeader>
           <CardContent>
-            <div className="text-2xl font-bold" data-testid="text-month-total">
-              {monthTotal.toFixed(2)} €
+            <div className="space-y-1">
+              <div className="flex justify-between items-baseline">
+                <span className="text-sm text-gray-600">HT:</span>
+                <span className="text-xl font-bold" data-testid="text-month-total-ht">
+                  {monthTotal.toFixed(2)} €
+                </span>
+              </div>
+              <div className="flex justify-between items-baseline">
+                <span className="text-sm text-gray-600">TTC:</span>
+                <span className="text-xl font-bold text-blue-600" data-testid="text-month-total-ttc">
+                  {monthTotalTTC.toFixed(2)} €
+                </span>
+              </div>
             </div>
-            <p className="text-xs text-muted-foreground">
+            <p className="text-xs text-muted-foreground mt-2">
               {filteredSchedules.length} échéance{filteredSchedules.length > 1 ? 's' : ''}
             </p>
           </CardContent>
@@ -203,11 +230,20 @@ export default function PaymentSchedulePage() {
             <CreditCard className="h-4 w-4 text-muted-foreground" />
           </CardHeader>
           <CardContent>
-            <div className="text-sm space-y-1">
-              {Object.entries(paymentMethodTotals).map(([method, total]) => (
-                <div key={method} className="flex justify-between">
-                  <span className="text-gray-600">{method}:</span>
-                  <span className="font-semibold">{total.toFixed(2)} €</span>
+            <div className="text-sm space-y-2">
+              {Object.entries(paymentMethodTotals).map(([method, totalHT]) => (
+                <div key={method} className="border-b pb-2 last:border-b-0">
+                  <div className="font-medium text-gray-700 mb-1">{method}</div>
+                  <div className="flex justify-between text-xs">
+                    <span className="text-gray-500">HT:</span>
+                    <span className="font-semibold">{totalHT.toFixed(2)} €</span>
+                  </div>
+                  <div className="flex justify-between text-xs">
+                    <span className="text-gray-500">TTC:</span>
+                    <span className="font-semibold text-blue-600">
+                      {paymentMethodTotalsTTC[method]?.toFixed(2) || '0.00'} €
+                    </span>
+                  </div>
                 </div>
               ))}
             </div>
@@ -272,9 +308,18 @@ export default function PaymentSchedulePage() {
                       )}
                     </div>
                   </div>
-                  <div className="text-right">
-                    <div className="text-xl font-bold text-blue-600">
-                      {schedule.amount.toFixed(2)} €
+                  <div className="text-right space-y-1">
+                    <div className="flex items-center gap-2 justify-end">
+                      <span className="text-xs text-gray-500">HT:</span>
+                      <span className="text-lg font-semibold">
+                        {schedule.amount.toFixed(2)} €
+                      </span>
+                    </div>
+                    <div className="flex items-center gap-2 justify-end">
+                      <span className="text-xs text-gray-500">TTC:</span>
+                      <span className="text-lg font-bold text-blue-600">
+                        {schedule.amountTTC.toFixed(2)} €
+                      </span>
                     </div>
                   </div>
                 </div>
diff --git a/server/routes.ts b/server/routes.ts
index 8611f21..5103197 100644
--- a/server/routes.ts
+++ b/server/routes.ts
@@ -445,6 +445,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
           invoiceReference: delivery.invoiceReference,
           dueDate: delivery.dueDate,
           amount: delivery.invoiceAmount ? parseFloat(delivery.invoiceAmount) : 0,
+          amountTTC: delivery.invoiceAmountTTC ? parseFloat(delivery.invoiceAmountTTC) : 0,
           supplierName: supplier?.name || 'Fournisseur inconnu',
           paymentMethod: supplier?.paymentMethod || null,
           groupId: group.id,