Speed Converter
Instantly convert speed units with accuracy and ease. Convert between km/h, mph, m/s, knots, and more.
Result
0.0000mph
100 km/h = 0.000000 mph
Formula
To convert km/h to mph, multiply the speed value by 0.621372.mph = kph × 0.621372
Common Conversions
1 km/h0.621 mph
1 mph1.609 km/h
1 m/s3.6 km/h
1 knot1.852 km/h
100 km/h62.14 mph