Convert mile/hour (mph or mi/h) to hectometer/day
Selected category: speed.
Definition and details for mile/hour (mph or mi/h):
Mile per hour (mph or mi/h) is a unit of velocity equal to 0.44704 m/sec. This traditional unit is based on the statute mile.
Definition and details for hectometer/day:
Hectometer per day is a unit of velocity equal to about 1.157 mm/sec.