speed
Speed Converter
Convert speed instantly.
km/h, mph, m/s, and knots. Free, no signup.
Frequently Asked Questions
Divide km/h by 1.60934, or multiply by 0.621371. For example, 100 km/h equals about 62.14 mph.
A knot is 1 nautical mile per hour, equal to about 1.852 km/h. It's used in aviation and maritime navigation.