diff --git a/cyclinglib/length.py b/cyclinglib/length.py
new file mode 100644
index 0000000..4dacf89
--- /dev/null
+++ b/cyclinglib/length.py
@@ -0,0 +1,16 @@
+class Length:
+
+    def __init__(self, metre: float) -> None:
+        self._metre = metre
+
+    def kilometre(self) -> float:
+        return self._metre / 1_000
+
+    def centimetre(self) -> float:
+        return self._metre * 100
+
+    def millimetre(self) -> float:
+        return self._metre * 1_000
+
+    def miles(self) -> float:
+        return self._metre * 0.000621371192