diff --git a/frontend/pages/incomingInvoices/index.vue b/frontend/pages/incomingInvoices/index.vue
index 6b25fff..c56b146 100644
--- a/frontend/pages/incomingInvoices/index.vue
+++ b/frontend/pages/incomingInvoices/index.vue
@@ -58,6 +58,7 @@ const isPreparing = ref(false)
 
 const type = "incominginvoices"
 const dataType = dataStore.dataTypes[type]
+const openAmountColumnKey = "openAmount"
 
 const setupPage = async () => {
   items.value = await useEntities(type).select("*, vendor(id,name), statementallocations(id,amount)",sort.value.column,sort.value.direction === "asc")
@@ -93,7 +94,13 @@ const prepareInvoices = async () => {
 
 setupPage()
 
-const selectedColumns = ref(tempStore.columns[type] ? tempStore.columns[type] : dataType.templateColumns.filter(i => !i.disabledInTable))
+const selectedColumns = ref(tempStore.columns[type] ? [...tempStore.columns[type]] : dataType.templateColumns.filter(i => !i.disabledInTable))
+if (!selectedColumns.value.find((column) => column.key === openAmountColumnKey)) {
+  const openAmountColumn = dataType.templateColumns.find((column) => column.key === openAmountColumnKey)
+  if (openAmountColumn) {
+    selectedColumns.value.splice(5, 0, openAmountColumn)
+  }
+}
 const columns = computed(() => dataType.templateColumns.filter((column) => !column.disabledInTable && selectedColumns.value.find(i => i.key === column.key)))
 
 const selectableFilters = ref(dataType.filters.map(i => i.name))
@@ -142,10 +149,18 @@ const getInvoiceSum = (invoice) => {
   return sum.toFixed(2)
 }
 
-const isPaid = (item) => {
+const getPaidAmount = (item) => {
   let amountPaid = 0
   item.statementallocations.forEach(allocation => amountPaid += allocation.amount)
-  return Math.abs(amountPaid) === Math.abs(Number(getInvoiceSum(item)))
+  return Number(Math.abs(amountPaid).toFixed(2))
+}
+
+const isPaid = (item) => {
+  return getPaidAmount(item) >= Number(Math.abs(Number(getInvoiceSum(item))).toFixed(2))
+}
+
+const getOpenAmount = (item) => {
+  return Number(Math.max(0, Number(getInvoiceSum(item)) - getPaidAmount(item)).toFixed(2))
 }
 
 const unwrapInvoiceRow = (invoiceLike) => invoiceLike?.original || invoiceLike
@@ -283,6 +298,11 @@ const selectIncomingInvoice = (invoiceLike) => {
           <template #amount-cell="{row}">
             {{displayCurrency(sum.getIncomingInvoiceSum(row.original))}}
           </template>
+          <template #openAmount-cell="{row}">
+            <span v-if="row.original.state === 'Gebucht' && !isPaid(row.original)">
+              {{ displayCurrency(getOpenAmount(row.original)) }}
+            </span>
+          </template>
           <template #dueDate-cell="{row}">
             <span v-if="row.original.dueDate">{{dayjs(row.original.dueDate).format("DD.MM.YYYY")}}</span>
           </template>
diff --git a/frontend/stores/data.js b/frontend/stores/data.js
index 81838fa..341e4ab 100644
--- a/frontend/stores/data.js
+++ b/frontend/stores/data.js
@@ -2200,6 +2200,10 @@ export const useDataStore = defineStore('data', () => {
                     key: "amount",
                     label: "Betrag",
                 },
+                {
+                    key: "openAmount",
+                    label: "Offener Betrag",
+                },
                 {
                     key: "dueDate",
                     label: "Fälligkeitsdatum",