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Miles per Hour to Speed Converter
Mile per Hour to Kilometer per Hour Conversion
1 Mile per Hour = 1.61 Kilometer per Hour
Convert between Mile per Hour and Kilometer per Hour with step-by-step calculations.
Unit Information
Mile per Hour (mph)
A common unit of speed in the Imperial and US Customary systems, equal to the speed of an object traveling one statute mile in one hour.
System: Imperial
Kilometer per Hour (km/h)
A common metric unit of speed, equal to the speed of an object traveling 1 kilometer in 1 hour.
System: Metric
Conversion Process
This conversion uses Meter per Second as the base unit. We'll first convert Mile per Hour to Meter per Second, then convert from Meter per Second to Kilometer per Hour.
Step 1: Convert from Mile per Hour to Meter per Second
1 × 0.44704 = 0.44704
Result: 0.44704 Meter per Second
Step 2: Convert from Meter per Second to Kilometer per Hour
0.44704 × 3.6 = 1.61
Result: 1.61 Kilometer per Hour
Direct Conversion Factor
1 × 1.61 = 1.61
Direct conversion: 1 Mile per Hour = 1.61 Kilometer per Hour
Mile per Hour (mph)
System: Imperial
Definition:1 mile per hour = 1609.344 meters / 3600 seconds = 0.44704 meters per second.
Origin: Derived from the statute mile and the hour.
Common Usage: Widely used in the US and UK for vehicle speeds, speed limits, and wind speed.
Synonyms: mph, mi/h, miles per hour (statute)