Speed Converter
Select the source unit, enter the speed and instantly get all conversions.
km/h
m/s
mph
knots
ft/s
Speed Converter – Convert km/h, m/s, mph, Knots, and ft/s
The speed converter instantly converts between different speed units. Enter a value, select a unit, and get all conversions at once — kilometers per hour, meters per second, miles per hour, knots, and feet per second.
Speed Unit Conversion Table
| Unit | Abbreviation | Relation to m/s |
|---|---|---|
| Kilometer per hour | km/h | 1 km/h = 0.2778 m/s |
| Meter per second | m/s | SI base unit |
| Mile per hour | mph | 1 mph = 0.4470 m/s |
| Knot | kn | 1 kn = 0.5144 m/s |
| Foot per second | ft/s | 1 ft/s = 0.3048 m/s |
Common Speed References
- Walking – ~3 mph (~5 km/h)
- Jogging – ~6 mph (~10 km/h)
- Cycling – ~12–19 mph (20–30 km/h)
- Urban speed limit – 31 mph (50 km/h)
- Highway – 62 mph (100 km/h / 54 kn)
- Airplane – ~560 mph (~900 km/h / 486 kn)
Knots – A Navigator's Unit
The knot is the standard speed unit for ships and aircraft. One knot equals one nautical mile per hour (1.852 km/h). It is internationally used in maritime navigation and aviation.
See also
- Length Converter – Convert cm, m, feet, and miles
- Running Pace Calculator – Calculate pace per km or mile
- Fuel Cost Calculator – Calculate trip fuel costs