diff --git a/mathgenerator/funcs/circumference.py b/mathgenerator/funcs/circumference.py
new file mode 100644
index 0000000..30c5fae
--- /dev/null
+++ b/mathgenerator/funcs/circumference.py
@@ -0,0 +1,14 @@
+  
+from .__init__ import *
+
+
+def circumferenceCircle(maxRadius=100):
+    r = random.randint(0, maxRadius)
+    pi = 22/7
+    circumference = 2*pi*r 
+    problem = f"Circumference of circle with radius {r}"
+    solution = circumference
+    return problem, solution
+
+
+circumferenceCircle = Generator("Circumference", 62, "2*pi*r=", "circumference", circumferenceCircle)