Mile/hour to Kilometer/hour
1 mph = 1.609344 km/h
One mile/hour equals 1.609344 kilometers per hour, and one kilometer/hour equals 0.621371 miles per hour.
Mile/hour to Kilometer/hour formula
To convert miles per hour to kilometers per hour, multiply the value by 1.609344. One mile/hour equals 1.609344 kilometers per hour.
Step-by-step examples
Convert 1 miles per hour to kilometers per hour
- 1Start with the value in miles per hour: 1 mph.
- 2Multiply by the conversion factor 1.609344.
- 31 × 1.609344 = 1.609344 km/h.
Result: 1 mph = 1.609344 km/h
Convert 10 miles per hour to kilometers per hour
- 1Start with the value in miles per hour: 10 mph.
- 2Multiply by the conversion factor 1.609344.
- 310 × 1.609344 = 16.09344 km/h.
Result: 10 mph = 16.09344 km/h
Convert 100 miles per hour to kilometers per hour
- 1Start with the value in miles per hour: 100 mph.
- 2Multiply by the conversion factor 1.609344.
- 3100 × 1.609344 = 160.9344 km/h.
Result: 100 mph = 160.9344 km/h
Mile/hour to Kilometer/hour conversion table
Mile/hour to Kilometer/hour chart
mph (horizontal) vs km/h (vertical)
Batch convert — paste multiple values
Related converters
Reverse: Kilometer/hour to Mile/hourConvert from the same unit
Convert to the same unit
Frequently asked questions
How many kilometers per hour are in a mile/hour?
There are 1.609344 kilometers per hour in one mile/hour (1 mph = 1.609344 km/h).
How do you convert miles per hour to kilometers per hour?
To convert miles per hour to kilometers per hour, multiply the value by 1.609344. One mile/hour equals 1.609344 kilometers per hour.
What is 10 miles per hour in kilometers per hour?
10 miles per hour equals 16.09344 kilometers per hour.
How many miles per hour are in a kilometer/hour?
One kilometer/hour equals 0.621371 miles per hour (1 km/h = 0.621371 mph).