diff --git a/homeassistant/components/matter/number.py b/homeassistant/components/matter/number.py
index 4456496d52e..d2184891dc1 100644
--- a/homeassistant/components/matter/number.py
+++ b/homeassistant/components/matter/number.py
@@ -285,7 +285,9 @@ DISCOVERY_SCHEMAS = [
             native_min_value=0.5,
             native_step=0.5,
             device_to_ha=(
-                lambda x: None if x is None else x / 2  # Matter range (1-200)
+                lambda x: None
+                if x is None
+                else min(x, 200) / 2  # Matter range (1-200, capped at 200)
             ),
             ha_to_device=lambda x: round(x * 2),  # HA range 0.5–100.0%
             mode=NumberMode.SLIDER,
diff --git a/tests/components/matter/fixtures/nodes/pump.json b/tests/components/matter/fixtures/nodes/pump.json
index e4afc0b4f33..6d74b3d1b89 100644
--- a/tests/components/matter/fixtures/nodes/pump.json
+++ b/tests/components/matter/fixtures/nodes/pump.json
@@ -203,7 +203,7 @@
     "1/6/65528": [],
     "1/6/65529": [0, 1, 2],
     "1/6/65531": [0, 65532, 65533, 65528, 65529, 65531],
-    "1/8/0": 254,
+    "1/8/0": 200,
     "1/8/15": 0,
     "1/8/17": 0,
     "1/8/65532": 0,
diff --git a/tests/components/matter/snapshots/test_number.ambr b/tests/components/matter/snapshots/test_number.ambr
index f7f467b4ed0..24a92799082 100644
--- a/tests/components/matter/snapshots/test_number.ambr
+++ b/tests/components/matter/snapshots/test_number.ambr
@@ -2189,7 +2189,7 @@
     'last_changed': <ANY>,
     'last_reported': <ANY>,
     'last_updated': <ANY>,
-    'state': '127.0',
+    'state': '100.0',
   })
 # ---
 # name: test_numbers[silabs_laundrywasher][number.laundrywasher_temperature_setpoint-entry]
diff --git a/tests/components/matter/test_number.py b/tests/components/matter/test_number.py
index b59e6848f63..d35a889a436 100644
--- a/tests/components/matter/test_number.py
+++ b/tests/components/matter/test_number.py
@@ -172,7 +172,7 @@ async def test_pump_level(
     # CurrentLevel on LevelControl cluster
     state = hass.states.get("number.mock_pump_setpoint")
     assert state
-    assert state.state == "127.0"
+    assert state.state == "100.0"
 
     set_node_attribute(matter_node, 1, 8, 0, 100)
     await trigger_subscription_callback(hass, matter_client)