Add m/min of speed sensors (#146441)

homeassistant/const.py

@@ -898,6 +898,7 @@ class UnitOfSpeed(StrEnum):
     BEAUFORT = "Beaufort"
     FEET_PER_SECOND = "ft/s"
     INCHES_PER_SECOND = "in/s"
+    METERS_PER_MINUTE = "m/min"
     METERS_PER_SECOND = "m/s"
     KILOMETERS_PER_HOUR = "km/h"
     KNOTS = "kn"

homeassistant/util/unit_conversion.py

@@ -497,6 +497,7 @@ class SpeedConverter(BaseUnitConverter):
         UnitOfSpeed.INCHES_PER_SECOND: 1 / _IN_TO_M,
         UnitOfSpeed.KILOMETERS_PER_HOUR: _HRS_TO_SECS / _KM_TO_M,
         UnitOfSpeed.KNOTS: _HRS_TO_SECS / _NAUTICAL_MILE_TO_M,
+        UnitOfSpeed.METERS_PER_MINUTE: _MIN_TO_SEC,
         UnitOfSpeed.METERS_PER_SECOND: 1,
         UnitOfSpeed.MILLIMETERS_PER_SECOND: 1 / _MM_TO_M,
         UnitOfSpeed.MILES_PER_HOUR: _HRS_TO_SECS / _MILE_TO_M,
@@ -511,6 +512,7 @@ class SpeedConverter(BaseUnitConverter):
         UnitOfSpeed.FEET_PER_SECOND,
         UnitOfSpeed.KILOMETERS_PER_HOUR,
         UnitOfSpeed.KNOTS,
+        UnitOfSpeed.METERS_PER_MINUTE,
         UnitOfSpeed.METERS_PER_SECOND,
         UnitOfSpeed.MILES_PER_HOUR,
         UnitOfSpeed.MILLIMETERS_PER_SECOND,

homeassistant/util/unit_system.py

@@ -382,6 +382,7 @@ US_CUSTOMARY_SYSTEM = UnitSystem(
         ("pressure", UnitOfPressure.MMHG): UnitOfPressure.INHG,
         ("pressure", UnitOfPressure.INH2O): UnitOfPressure.PSI,
         # Convert non-USCS speeds, except knots, to mph
+        ("speed", UnitOfSpeed.METERS_PER_MINUTE): UnitOfSpeed.INCHES_PER_SECOND,
         ("speed", UnitOfSpeed.METERS_PER_SECOND): UnitOfSpeed.MILES_PER_HOUR,
         ("speed", UnitOfSpeed.MILLIMETERS_PER_SECOND): UnitOfSpeed.INCHES_PER_SECOND,
         ("speed", UnitOfSpeed.KILOMETERS_PER_HOUR): UnitOfSpeed.MILES_PER_HOUR,

tests/components/sensor/test_websocket_api.py

@@ -39,6 +39,7 @@ async def test_device_class_units(
             "in/s",
             "km/h",
             "kn",
+            "m/min",
             "m/s",
             "mm/d",
             "mm/h",

tests/util/test_unit_conversion.py

@@ -751,6 +751,20 @@ _CONVERTED_VALUE: dict[
         (5, UnitOfSpeed.KILOMETERS_PER_HOUR, 3.106856, UnitOfSpeed.MILES_PER_HOUR),
         # 5 mi/h * 1.609 km/mi = 8.04672 km/h
         (5, UnitOfSpeed.MILES_PER_HOUR, 8.04672, UnitOfSpeed.KILOMETERS_PER_HOUR),
+        # 300 m/min / 60 s/min = 5 m/s
+        (
+            300,
+            UnitOfSpeed.METERS_PER_MINUTE,
+            5,
+            UnitOfSpeed.METERS_PER_SECOND,
+        ),
+        # 5 m/s * 60 s/min = 300 m/min
+        (
+            5,
+            UnitOfSpeed.METERS_PER_SECOND,
+            300,
+            UnitOfSpeed.METERS_PER_MINUTE,
+        ),
         # 5 in/day * 25.4 mm/in = 127 mm/day
         (
             5,

tests/util/test_unit_system.py

@@ -614,6 +614,7 @@ UNCONVERTED_UNITS_METRIC_SYSTEM = {
         UnitOfSpeed.BEAUFORT,
         UnitOfSpeed.KILOMETERS_PER_HOUR,
         UnitOfSpeed.KNOTS,
+        UnitOfSpeed.METERS_PER_MINUTE,
         UnitOfSpeed.METERS_PER_SECOND,
         UnitOfSpeed.MILLIMETERS_PER_SECOND,
         UnitOfVolumetricFlux.MILLIMETERS_PER_DAY,