Speed Converter
Understanding Speed Conversion
Speed measures distance over time. The metric system uses km/h and m/s, while US Customary uses mph. Knots are used in aviation and maritime.
Key Conversions
- 1 mph = 1.609 km/h
- 1 knot = 1.852 km/h
- 1 m/s = 3.6 km/h
💡 Tips
- Knots are nautical miles per hour
- The speed of sound is about 767 mph
- 1 mph = 1.609344 km/h exactly