Speed Converter

Convert among m/s, km/h, miles per hour (mph), feet per second (ft/s), and knots (kn).

Kilometers per hour (km/h)

Miles per hour (mph)

Meters per second (m/s)

Feet per second (ft/s)

Knots (kn)

Rounding

Key factors: 1 m/s = 3.6 km/h · 1 mph = 1.609344 km/h · 1 ft/s = 0.3048 m/s · 1 kn = 1.852 km/h.