diff --git a/homeassistant/components/baf/sensor.py b/homeassistant/components/baf/sensor.py
index 7b93b22fe2f..79ae320969b 100644
--- a/homeassistant/components/baf/sensor.py
+++ b/homeassistant/components/baf/sensor.py
@@ -14,7 +14,7 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.const import PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import PERCENTAGE, REVOLUTIONS_PER_MINUTE, TEMP_CELSIUS
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -65,7 +65,7 @@ FAN_SENSORS = (
     BAFSensorDescription(
         key="current_rpm",
         name="Current RPM",
-        native_unit_of_measurement="RPM",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         entity_registry_enabled_default=False,
         entity_category=EntityCategory.DIAGNOSTIC,
         value_fn=lambda device: cast(Optional[int], device.current_rpm),
@@ -73,7 +73,7 @@ FAN_SENSORS = (
     BAFSensorDescription(
         key="target_rpm",
         name="Target RPM",
-        native_unit_of_measurement="RPM",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         entity_registry_enabled_default=False,
         entity_category=EntityCategory.DIAGNOSTIC,
         value_fn=lambda device: cast(Optional[int], device.target_rpm),