diff --git a/src/panels/config/entities/entity-registry-settings.ts b/src/panels/config/entities/entity-registry-settings.ts
index de01367f8b..d53ed18f15 100644
--- a/src/panels/config/entities/entity-registry-settings.ts
+++ b/src/panels/config/entities/entity-registry-settings.ts
@@ -117,7 +117,7 @@ const OVERRIDE_NUMBER_UNITS = {
 const OVERRIDE_SENSOR_UNITS = {
   distance: ["cm", "ft", "in", "km", "m", "mi", "mm", "yd"],
   gas: ["ft³", "m³"],
-  precipitation: ["in", "mm"],
+  precipitation: ["cm", "in", "mm"],
   precipitation_intensity: ["in/d", "in/h", "mm/d", "mm/h"],
   pressure: ["hPa", "Pa", "kPa", "bar", "cbar", "mbar", "mmHg", "inHg", "psi"],
   speed: ["ft/s", "in/d", "in/h", "km/h", "kn", "m/s", "mm/d", "mm/h", "mph"],