Converters
Miles per Hour to Kilometers per Hour Converter
Convert miles per hour to kilometers per hour instantly. 1 mile per hour = 1.60934 kilometers per hour.
1.60934
1 mph = 1.60934 km/h
Common conversions
From 1 miles per hour- Meters per Second (m/s)0.44704
- Kilometers per Hour (km/h)1.60934
- Feet per Second (ft/s)1.46667
- Knots (kn)0.868977
How it works
Kilometers per Hour = Miles per Hour × 1.609344
Multiply the number of miles per hour by 1.609344 to get kilometers per hour. To go back, multiply by 0.6213711922. Examples: 1 mph = 1.60934 km/h · 5 mph = 8.04672 km/h · 10 mph = 16.0934 km/h · 100 mph = 160.934 km/h.
Frequently asked
How many kilometers per hour are in a mile per hour?
1 mile per hour = 1.60934 kilometers per hour.
What is the formula to convert miles per hour to kilometers per hour?
Kilometers per Hour = Miles per Hour × 1.609344
Is this conversion exact?
The conversion factor between miles per hour and kilometers per hour is defined by international standards and is exact to at least 10 significant figures here.
Can I convert in the opposite direction?
Yes — use our Kilometers per Hour to Miles per Hour converter, or multiply your value by 0.6213711922.
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