To convert speed, enter a value, choose the unit you have and the unit you want. The result updates as you type, with a formula line showing the conversion factor. Open All units to see the value in every unit at once, and choose how many decimal places to show.
How to use the Speed Converter
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1
Enter a value
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2
Choose “from” and “to” units
Use the swap button to reverse.
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3
Copy the result
Features
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Exact factors
Based on internationally defined values.
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All units at once
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Adjustable precision
2 to 8 decimals.
Supported formats
| Unit | In m/s |
|---|---|
| 1 km/h | 0.27778 |
| 1 mph | 0.44704 |
| 1 knot | 0.51444 |
| 1 ft/s | 0.3048 |
Examples
- 100 km/h = 62.14 mph
- 1 m/s = 3.6 km/h
- 1 knot = 1.852 km/h
Privacy and file handling
- Where it runs
- Runs in your browser
Runs entirely in your browser. Your files and text are not uploaded to our servers.
Frequently asked questions
How do I convert km/h to m/s?
Divide by 3.6. For example, 90 km/h ÷ 3.6 = 25 m/s.
What is a knot?
One nautical mile per hour (1.852 km/h), used in aviation and shipping.
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