Speed Converter

Convert speeds between km/h, m/s, mph, and knots instantly. Perfect for Time & Distance maths problems.

Kilometers / Hour km/h

Meters / Second m/s

Miles / Hour mph

Knots (Nautical) kn

Math Trick: To convert km/h to m/s manually, multiply by 5/18. To convert m/s to km/h, multiply by 18/5.