diff --git a/homeassistant/components/number/const.py b/homeassistant/components/number/const.py
index c36f1ba3d05..1d82d4a5a96 100644
--- a/homeassistant/components/number/const.py
+++ b/homeassistant/components/number/const.py
@@ -47,10 +47,35 @@ from homeassistant.const import (
     UnitOfVolumetricFlux,
 )
 from homeassistant.util.unit_conversion import (
+    ApparentPowerConverter,
+    AreaConverter,
     BaseUnitConverter,
+    BloodGlucoseConcentrationConverter,
+    CarbonMonoxideConcentrationConverter,
+    ConductivityConverter,
+    DataRateConverter,
+    DistanceConverter,
+    DurationConverter,
+    ElectricCurrentConverter,
+    ElectricPotentialConverter,
+    EnergyConverter,
+    EnergyDistanceConverter,
+    InformationConverter,
+    MassConverter,
+    MassVolumeConcentrationConverter,
+    NitrogenDioxideConcentrationConverter,
+    NitrogenMonoxideConcentrationConverter,
+    OzoneConcentrationConverter,
+    PowerConverter,
+    PressureConverter,
     ReactiveEnergyConverter,
+    ReactivePowerConverter,
+    SpeedConverter,
+    SulphurDioxideConcentrationConverter,
     TemperatureConverter,
     TemperatureDeltaConverter,
+    UnitlessRatioConverter,
+    VolumeConverter,
     VolumeFlowRateConverter,
 )
 
@@ -587,10 +612,45 @@ DEVICE_CLASS_UNITS: dict[NumberDeviceClass, set[type[StrEnum] | str | None]] = {
 }
 
 UNIT_CONVERTERS: dict[NumberDeviceClass, type[BaseUnitConverter]] = {
+    NumberDeviceClass.APPARENT_POWER: ApparentPowerConverter,
+    NumberDeviceClass.ABSOLUTE_HUMIDITY: MassVolumeConcentrationConverter,
+    NumberDeviceClass.AREA: AreaConverter,
+    NumberDeviceClass.ATMOSPHERIC_PRESSURE: PressureConverter,
+    NumberDeviceClass.BLOOD_GLUCOSE_CONCENTRATION: BloodGlucoseConcentrationConverter,
+    NumberDeviceClass.CO: CarbonMonoxideConcentrationConverter,
+    NumberDeviceClass.CONDUCTIVITY: ConductivityConverter,
+    NumberDeviceClass.CURRENT: ElectricCurrentConverter,
+    NumberDeviceClass.DATA_RATE: DataRateConverter,
+    NumberDeviceClass.DATA_SIZE: InformationConverter,
+    NumberDeviceClass.DISTANCE: DistanceConverter,
+    NumberDeviceClass.DURATION: DurationConverter,
+    NumberDeviceClass.ENERGY: EnergyConverter,
+    NumberDeviceClass.ENERGY_DISTANCE: EnergyDistanceConverter,
+    NumberDeviceClass.ENERGY_STORAGE: EnergyConverter,
+    NumberDeviceClass.GAS: VolumeConverter,
+    NumberDeviceClass.NITROGEN_DIOXIDE: NitrogenDioxideConcentrationConverter,
+    NumberDeviceClass.NITROGEN_MONOXIDE: NitrogenMonoxideConcentrationConverter,
+    NumberDeviceClass.OZONE: OzoneConcentrationConverter,
+    NumberDeviceClass.POWER: PowerConverter,
+    NumberDeviceClass.POWER_FACTOR: UnitlessRatioConverter,
+    NumberDeviceClass.PRECIPITATION: DistanceConverter,
+    NumberDeviceClass.PRECIPITATION_INTENSITY: SpeedConverter,
+    NumberDeviceClass.PRESSURE: PressureConverter,
     NumberDeviceClass.REACTIVE_ENERGY: ReactiveEnergyConverter,
+    NumberDeviceClass.REACTIVE_POWER: ReactivePowerConverter,
+    NumberDeviceClass.SULPHUR_DIOXIDE: SulphurDioxideConcentrationConverter,
+    NumberDeviceClass.SPEED: SpeedConverter,
     NumberDeviceClass.TEMPERATURE: TemperatureConverter,
     NumberDeviceClass.TEMPERATURE_DELTA: TemperatureDeltaConverter,
+    NumberDeviceClass.VOLATILE_ORGANIC_COMPOUNDS: MassVolumeConcentrationConverter,
+    NumberDeviceClass.VOLATILE_ORGANIC_COMPOUNDS_PARTS: UnitlessRatioConverter,
+    NumberDeviceClass.VOLTAGE: ElectricPotentialConverter,
+    NumberDeviceClass.VOLUME: VolumeConverter,
+    NumberDeviceClass.VOLUME_STORAGE: VolumeConverter,
     NumberDeviceClass.VOLUME_FLOW_RATE: VolumeFlowRateConverter,
+    NumberDeviceClass.WATER: VolumeConverter,
+    NumberDeviceClass.WEIGHT: MassConverter,
+    NumberDeviceClass.WIND_SPEED: SpeedConverter,
 }
 
 # We translate units that were using using the legacy coding of μ \u00b5
diff --git a/tests/components/number/test_websocket_api.py b/tests/components/number/test_websocket_api.py
index 8fbc79f2c1f..fdc2d090842 100644
--- a/tests/components/number/test_websocket_api.py
+++ b/tests/components/number/test_websocket_api.py
@@ -37,17 +37,6 @@ async def test_device_class_units(
     assert msg["success"]
     assert msg["result"] == {"units": ["K", "°C", "°F"]}
 
-    # Device class with units which number doesn't allow customizing & converting
-    await client.send_json_auto_id(
-        {
-            "type": "number/device_class_convertible_units",
-            "device_class": "energy",
-        }
-    )
-    msg = await client.receive_json()
-    assert msg["success"]
-    assert msg["result"] == {"units": []}
-
     # Unknown device class
     await client.send_json_auto_id(
         {
diff --git a/tests/components/sensor/test_init.py b/tests/components/sensor/test_init.py
index cdebaa4eeb8..cdaec70afbd 100644
--- a/tests/components/sensor/test_init.py
+++ b/tests/components/sensor/test_init.py
@@ -14,6 +14,7 @@ import pytest
 from homeassistant.components import sensor
 from homeassistant.components.number import (
     AMBIGUOUS_UNITS as NUMBER_AMBIGUOUS_UNITS,
+    UNIT_CONVERTERS as NUMBER_UNIT_CONVERTERS,
     NumberDeviceClass,
 )
 from homeassistant.components.sensor import (
@@ -2118,6 +2119,16 @@ def test_device_classes_aligned() -> None:
         assert getattr(SensorDeviceClass, device_class.name).value == device_class.value
 
 
+def test_unit_converters_aligned() -> None:
+    """Make sure all number unit converters are also available in sensor converters."""
+
+    assert len(NUMBER_UNIT_CONVERTERS) == len(UNIT_CONVERTERS)
+
+    for device_class, converter in NUMBER_UNIT_CONVERTERS.items():
+        assert device_class.value in UNIT_CONVERTERS
+        assert UNIT_CONVERTERS[device_class.value] == converter
+
+
 async def test_value_unknown_in_enumeration(
     hass: HomeAssistant,
     caplog: pytest.LogCaptureFixture,