Speed Converter
Convert between meters per second, kilometers per hour, miles per hour, and knots.
From
To
Result
0.62 mph
Decimal precision:
About the Speed Converter
The Speed Converter converts between km/h, mph, meters per second, and knots. Useful for speed limits abroad, running pace, wind speeds, and nautical or aviation speeds in knots.
Results update instantly as you type, with precise math underneath and sensible rounding on screen. Everything runs locally in your browser.
How to use it
- Enter your value in the input field.
- Select the units or values involved.
- Read the result — it updates as you type.
- Adjust any input to recalculate instantly.
Frequently asked questions
What is a knot?
One nautical mile per hour ≈ 1.852 km/h ≈ 1.151 mph — the standard unit at sea and in aviation.
Does it work with decimals?
Yes — enter any real number; the calculation is precise and only the display is rounded.
Is anything sent to a server?
No. All calculations run locally in your browser.
Is it free to use?
Yes, completely free, with no limits and no account required.