diff --git a/frontend/src/utils/currency.ts b/frontend/src/utils/currency.ts
new file mode 100644
index 0000000..9cbc989
--- /dev/null
+++ b/frontend/src/utils/currency.ts
@@ -0,0 +1,7 @@
+export function formatCurrency(value: number) {
+  if (isNaN(value)) {
+    return "";
+  } else {
+    return value.toFixed(2).replace(/\.00$/, '');
+  }
+}