Speed Converter
Convert speed units (MPH, KM/H, Knots, Mach).
Whether you are driving a car (MPH/KPH), sailing a boat (Knots), or flying a jet (Mach), speed measurement varies by element. This tool helps you seamlessly convert between them.
Speed Conversion
Convert speed conversion instantly.
Did You Know?
- 1 Knot = 1 Nautical Mile/hr (1.15 mph)
- Mach 1 (Speed of Sound) ≈ 767 mph
- 100 km/h ≈ 62 mph
- Usain Bolt's top speed ≈ 27.8 mph (44.7 km/h)
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Frequently Asked Questions
Speed Limits & Science
While speed limits are arbitrary laws, the Speed of Light (299,792,458 m/s) is the absolute speed limit of the universe. Nothing with mass can reach it.