Speed converter — every speed unit on one page
Convert between km/h, mph, m/s, kn with one calculator. Free on ToolKit Pro, runs in your browser, no signup.
1 km/h = 0.6214 mph · Full km/h → mph chart & formula
Speed conversion factors at a glance
Ordered by how often people search for each pair.
Miles per Hour to Kilometers per Hour
1 mph = 1.6093 km/h
Kilometers per Hour to Miles per Hour
1 km/h = 0.6214 mph
Knots to Kilometers per Hour
1 kn = 1.852 km/h
Meters per Second to Kilometers per Hour
1 m/s = 3.6 km/h
Kilometers per Hour to Meters per Second
1 km/h = 0.2778 m/s
Kilometers per Hour to Knots
1 km/h = 0.5400 kn
Knots to Miles per Hour
1 kn = 1.1508 mph
Miles per Hour to Knots
1 mph = 0.8690 kn
Miles per Hour to Meters per Second
1 mph = 0.4470 m/s
Meters per Second to Miles per Hour
1 m/s = 2.2369 mph