Speed Converter
Convert speed between meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), knots, and more. This tool provides accurate, real-time conversions and works entirely in your browser.
Speed Converter
Convert speeds between multiple units
1 meter/second [m/s]=0.277778kilometer/hour [km/h]
How Speed Conversion Works
Speed is a measure of how quickly something moves from one place to another. Different fields and regions use various units, making conversion essential for science, travel, and engineering.
Conversion Formulas Between Common Units
Meters/Second ↔ Kilometers/Hour
1 m/s = 3.6 km/h
1 km/h = 0.27778 m/s
Miles/Hour ↔ Kilometers/Hour
1 mph = 1.60934 km/h
1 km/h = 0.621371 mph
Knots ↔ Kilometers/Hour
1 knot = 1.852 km/h
1 km/h = 0.539957 knots
Common Speed References
- Walking Speed5 km/h3.1 mph / 1.39 m/s
- Running Speed12 km/h7.46 mph / 3.33 m/s
- Cycling Speed25 km/h15.5 mph / 6.94 m/s
- Car (Highway)100 km/h62.1 mph / 27.8 m/s
- Commercial Jet900 km/h559 mph / 250 m/s
- Speed of Sound1,235 km/h767 mph / 343 m/s
Mathematical Formulas
Speed Formula
speed = distance / time
where distance is in meters (m), time in seconds (s), speed in m/s
Distance Formula
distance = speed × time
Time Formula
time = distance / speed