Miles per hour to Kilometers per hour Converter
Convert Miles per hour (mph) to Kilometers per hour (km/h). Results update as you type, with a conversion table and the formula below.
1 mph =
1.6093 km/h
mph to km/h conversion table
| mph | km/h |
|---|---|
| 1 | 1.6093 |
| 2 | 3.2187 |
| 3 | 4.828 |
| 4 | 6.4374 |
| 5 | 8.0467 |
| 6 | 9.6561 |
| 7 | 11.2654 |
| 8 | 12.8748 |
| 9 | 14.4841 |
| 10 | 16.0934 |
| 15 | 24.1402 |
| mph | km/h |
|---|---|
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 40 | 64.3738 |
| 50 | 80.4672 |
| 60 | 96.5606 |
| 70 | 112.6541 |
| 80 | 128.7475 |
| 90 | 144.841 |
| 100 | 160.9344 |
How to use
- Type the mph value to convert.
- The result appears instantly in km/h; the swap button reverses direction.
- For common values, check the conversion table below.
Frequently asked questions
How many km/h is 1 mph?+
1 mph = 1.6093 km/h. The table below lists the values you'll reach for most often.
How accurate are the results?+
The math uses internationally standardized definitions; only the display is rounded to significant digits. Accurate enough for school, work and daily life.
How do I convert km/h back to mph?+
Hit the swap arrows in the middle of the converter above — the direction flips and your value is kept.
Is it really free?+
Yes. No sign-up, no install, no usage limits. The site is ad-supported.
Unit guide
The formula
1 mph equals 1.6093 km/h — multiply a mph value by 1.6093 to get km/h. Example: 5 mph × 1.6093 = 8.0467 km/h.
Going the other way, 1 km/h = 0.621371 mph — multiply by 0.621371, or hit the swap button on the converter above.
When is this conversion needed?
Useful for speed-limit signs abroad, storm wind speeds (knots) and running or cycling pace math.