How to use
- Enter the speed.
- Choose the unit to convert from and to.
- Read the result, or the table of every speed unit below.
Options explained
- km/h and m/s
- 1 m/s = 3.6 km/h; multiply m/s by 3.6 to get km/h.
- Knots
- 1 knot = 1 nautical mile per hour = 1.852 km/h, used at sea and in aviation.
Examples
| Value | Converts to |
|---|---|
| 100 km/h | 62.14 mph |
| 10 m/s | 36 km/h |
| 1 knot | 1.852 km/h |
Frequently asked questions
What is 100 km/h in mph?
About 62.14 mph; 60 mph is about 96.56 km/h.
How fast is 10 m/s?
36 km/h, or about 22.4 mph.
How fast is a knot?
1.852 km/h, or about 1.15 mph.
Privacy
This tool runs entirely in your browser. Your files and text are processed on your device and are never uploaded to our servers.