UnitConConvert MPH to KM/H
Convert miles per hour to kilometers per hour for driving, travel, racing, and international road signs. This page is one of the most common speed conversions.
Formula
Multiply miles per hour by 1.60934 to get kilometers per hour. To reverse, divide kilometers per hour by 1.60934 to get miles per hour.
Quick reference
| Mile per Hour (mph) | Kilometer per Hour (km/h) |
|---|---|
| 20 | 32.18688 |
| 30 | 48.28032 |
| 40 | 64.37376 |
| 50 | 80.4672 |
| 60 | 96.56064 |
| 70 | 112.6541 |
| 80 | 128.7475 |
| 90 | 144.841 |
| 100 | 160.9344 |
| 120 | 193.1213 |