Example: 1 km/h = 0.62137119 mph. Change the values above to calculate your own.
About the Speed Converter
Convert km/h, mph, metres per second, knots and feet per second. Pick the units, type a value and the result appears instantly.
How to use the Speed Converter
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
kilometres per hour to miles per hour conversion table
| km/h | mph |
|---|---|
| 1 km/h | 0.62137119 mph |
| 2 km/h | 1.242742 mph |
| 5 km/h | 3.106856 mph |
| 10 km/h | 6.213712 mph |
| 20 km/h | 12.427424 mph |
| 25 km/h | 15.53428 mph |
| 50 km/h | 31.06856 mph |
| 75 km/h | 46.602839 mph |
| 100 km/h | 62.137119 mph |
| 250 km/h | 155.342798 mph |
| 500 km/h | 310.685596 mph |
| 1,000 km/h | 621.371192 mph |
How it's calculated
Every unit is converted through the base unit (m/s), using exact conversion factors.
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
Is the Speed Converter free?
Yes, the Speed Converter is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.