Speed Converter
Type in any field — all others update live
Real-World Speed References
Metric / Common
Meters/second (m/s)
Kilometers/hour (km/h)
Kilometers/second (km/s)
Mach (sea level)
Other Units
Miles/hour (mph)
Knots (kn)
Feet/second (ft/s)
Speed of Light (c)
Enter your values above to see the result.
Your Results
Active Unit
m/s
km/h
mph
Mach
Type in any field or select a reference speed to start converting.
How it works
Conversion formula: All units are first converted to meters per second (the base SI unit), then converted to the target unit using the formula:
target_value = input_value × (input_factor / target_factor)