diff --git a/homeassistant/components/proximity/config_flow.py b/homeassistant/components/proximity/config_flow.py
index cc2e6eb5a39..77ebf26f52a 100644
--- a/homeassistant/components/proximity/config_flow.py
+++ b/homeassistant/components/proximity/config_flow.py
@@ -14,7 +14,7 @@ from homeassistant.config_entries import (
     ConfigFlowResult,
     OptionsFlow,
 )
-from homeassistant.const import CONF_ZONE
+from homeassistant.const import CONF_ZONE, UnitOfLength
 from homeassistant.core import State, callback
 from homeassistant.helpers.selector import (
     EntitySelector,
@@ -54,7 +54,9 @@ def _base_schema(user_input: dict[str, Any]) -> vol.Schema:
             CONF_TOLERANCE,
             default=user_input.get(CONF_TOLERANCE, DEFAULT_TOLERANCE),
         ): NumberSelector(
-            NumberSelectorConfig(min=1, max=100, step=1),
+            NumberSelectorConfig(
+                min=1, max=100, step=1, unit_of_measurement=UnitOfLength.METERS
+            ),
         ),
     }