Add m³/min as volume flow rate unit (#151051)

homeassistant/components/number/const.py

@@ -418,7 +418,7 @@ class NumberDeviceClass(StrEnum):
     """Generic flow rate
 
     Unit of measurement: UnitOfVolumeFlowRate
-    - SI / metric: `m³/h`, `L/min`, `mL/s`
+    - SI / metric: `m³/h`, `m³/min`, `m³/s`, `L/h`, `L/min`, `L/s`, `mL/s`
     - USCS / imperial: `ft³/min`, `gal/min`
     """
 

homeassistant/components/sensor/const.py

@@ -452,7 +452,7 @@ class SensorDeviceClass(StrEnum):
     """Generic flow rate
 
     Unit of measurement: UnitOfVolumeFlowRate
-    - SI / metric: `m³/h`, `L/min`, `mL/s`
+    - SI / metric: `m³/h`, `m³/min`, `m³/s`, `L/h`, `L/min`, `L/s`, `mL/s`
     - USCS / imperial: `ft³/min`, `gal/min`
     """
 

homeassistant/const.py

@@ -783,6 +783,7 @@ class UnitOfVolumeFlowRate(StrEnum):
     """Volume flow rate units."""
 
     CUBIC_METERS_PER_HOUR = "m³/h"
+    CUBIC_METERS_PER_MINUTE = "m³/min"
     CUBIC_METERS_PER_SECOND = "m³/s"
     CUBIC_FEET_PER_MINUTE = "ft³/min"
     LITERS_PER_HOUR = "L/h"

homeassistant/util/unit_conversion.py

@@ -769,6 +769,7 @@ class VolumeFlowRateConverter(BaseUnitConverter):
     # Units in terms of m³/h
     _UNIT_CONVERSION: dict[str | None, float] = {
         UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR: 1,
+        UnitOfVolumeFlowRate.CUBIC_METERS_PER_MINUTE: 1 / _HRS_TO_MINUTES,
         UnitOfVolumeFlowRate.CUBIC_METERS_PER_SECOND: 1 / _HRS_TO_SECS,
         UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE: 1
         / (_HRS_TO_MINUTES * _CUBIC_FOOT_TO_CUBIC_METER),
@@ -784,6 +785,7 @@ class VolumeFlowRateConverter(BaseUnitConverter):
     VALID_UNITS = {
         UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
         UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+        UnitOfVolumeFlowRate.CUBIC_METERS_PER_MINUTE,
         UnitOfVolumeFlowRate.CUBIC_METERS_PER_SECOND,
         UnitOfVolumeFlowRate.LITERS_PER_HOUR,
         UnitOfVolumeFlowRate.LITERS_PER_MINUTE,

tests/util/test_unit_conversion.py

@@ -947,6 +947,12 @@ _CONVERTED_VALUE: dict[
             1,
             UnitOfVolumeFlowRate.LITERS_PER_SECOND,
         ),
+        (
+            0.6,
+            UnitOfVolumeFlowRate.CUBIC_METERS_PER_MINUTE,
+            10,
+            UnitOfVolumeFlowRate.LITERS_PER_SECOND,
+        ),
     ],
 }