Unit converter
Speed Converter
Convert speed between metres per second, kilometres per hour, miles per hour, and knots.
How the speed converter works
Convert through metres per second: result = value × source factor ÷ target factor. One mile per hour is exactly 0.44704 metres per second. Choose the source and target units above. Your conversion is calculated locally in your browser.
1 m/s = 3.6 km/h.
60 mph ≈ 96.5606 km/h.
1 knot = 1.852 km/h.
Frequently asked questions
How do I use this unit converter?
Enter a value, choose its current unit and the unit you want, then select Convert. The result is calculated in your browser.
Can I convert decimal values?
Yes. Decimal values are supported and the result is rounded only for display.
Are these conversions exact?
The calculator uses the conversion factors shown in its formula. Display rounding can hide digits, so retain more precision when needed.
Can I enter zero or a negative number?
Zero is valid. Negative values are accepted for temperature and angle conversions; other physical quantities must be zero or positive.
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