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millimeter per hour Unit Converter
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millimeter per hour [mm/h]

A unit of rainfall intensity representing the depth (in millimeters) of rain accumulated on a horizontal surface per hour. 1 mm/h corresponds to 1 liter of rain per square meter per hour. Widely used by China’s Meteorological Administration and global metric countries in weather forecasts and flood warnings. Light rain: 0.1–2.5 mm/h; heavy rain typically exceeds 16 mm/h.

mile per hour [mph]

A unit of rainfall intensity representing the depth (in millimeters) of rain accumulated on a horizontal surface per hour. 1 mm/h corresponds to 1 liter of rain per square meter per hour. Widely used by China’s Meteorological Administration and global metric countries in weather forecasts and flood warnings. Light rain: 0.1–2.5 mm/h; heavy rain typically exceeds 16 mm/h.

Convert millimeter per hour [mm/h] to mile per hour [mph]
millimeter per hour [mm/h]mile per hour [mph]
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30 mm/h-
millimeter per hour [mm/h]mile per hour [mph]
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400 mm/h-
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1000 mm/h-