diff --git a/src/test/java/src/TasksFrameTest.java b/src/test/java/src/TasksFrameTest.java
index 4af998f..ff2a433 100644
--- a/src/test/java/src/TasksFrameTest.java
+++ b/src/test/java/src/TasksFrameTest.java
@@ -147,6 +147,17 @@ class TasksFrameTest {
         int c = tasksFrame.round10(12);
         assertEquals(10, c);
     }
+
+    @Test
+    void test_umrechnen(){
+        TasksFrame tasksFrame = new TasksFrame();
+        int a = Integer.parseInt(tasksFrame.umrechnen(15));
+        assertEquals(1111, a);
+        int b = Integer.parseInt(tasksFrame.umrechnen(20));
+        assertEquals(10100, b);
+        int c = Integer.parseInt(tasksFrame.umrechnen(48));
+        assertEquals(110000, c);
+    }
 }