Converts between km/h, mph, m/s, knots, and other speed units.
The speed converter switches values between m/s, km/h, mph, knots, and other units.
1 m/s = 3.6 km/h 1 mph = 1.60934 km/h 1 knot = 1.852 km/h Speed of sound ≈ 343 m/s = 1,235 km/h
100 km/h = 27.78 m/s = 62.14 mph = 53.99 knots.
Loading calculator…