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Speed Converter
Convert any speed between 5 units. Type a value, choose the unit it is in and the unit you want, and the answer updates as you type. Open the table to see the same speed in every unit at once.
The same speed in every unit
| Unit | Value |
|---|
Saved setups
Save a set of inputs you reuse — your usual rate, your loan, your room sizes — and load it back in one tap.
Your recent calculations
Results you calculate here are kept on this device so you can come back to them.
Formula
Result = value × (size of the starting unit ÷ size of the target unit)
1 miles per hour = 1.60934 kilometers per hour
1 kilometers per hour = 0.621371 miles per hour
How to use it
- Type the value you want to convert.
- Choose its unit from the menu beside the box.
- Choose the unit you want under the result.
- Open the table to compare every unit, or save the setup if you convert the same units often.
Worked examples
100 kilometers per hour in miles per hour
- Converted
- 62.137119 mph
20 knots in miles per hour
- Converted
- 23.015589 mph
Good to know
A knot is one nautical mile per hour, which is exactly 1.852 km/h. To convert km/h to mph in your head, multiply by 0.6; to go from mph to km/h, multiply by 1.6.
Questions people ask
What is 100 kilometers per hour in miles per hour?
100 km/h is 62.1371 mph.
What is 20 knots in miles per hour?
20 kn is 23.0156 mph.
What is 10 meters per second in kilometers per hour?
10 m/s is 36 km/h.
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