Speed Unit Converter
Convert km/h to mph, m/s to knots, and more.
Kilometres/hour km/h
Miles/hour mph
Metres/second m/s
Knot kn
Feet/second ft/s
Type in any field to convert all others instantly.
About Speed Converter
Convert between kilometres per hour (km/h), miles per hour (mph), metres per second (m/s), knots, and feet per second. Used in transport, aviation, sports, and science.
Use Cases
Converting car speed limits for international travel, aviation speed in knots, wind speed conversions, physics and engineering calculations.
How It Works
All speeds are converted through metres per second (m/s) as the base unit.
Frequently Asked Questions
How many km/h is 60 mph?
60 mph = 96.56 km/h.
What is a knot in km/h?
1 knot = 1.852 km/h.