Convert miles per hour to kilometers per hour with precision
60 mph = 96.56 kph
| MPH | KPH | MPH | KPH |
|---|---|---|---|
| 10 mph | 16.09 kph | 60 mph | 96.56 kph |
| 20 mph | 32.19 kph | 70 mph | 112.65 kph |
| 30 mph | 48.28 kph | 80 mph | 128.75 kph |
| 40 mph | 64.37 kph | 90 mph | 144.84 kph |
| 50 mph | 80.47 kph | 100 mph | 160.93 kph |
Converting miles per hour (mph) to kilometers per hour (kph) is essential for international travel, vehicle specifications, and speed limit understanding. This comprehensive guide covers everything you need to know about mph to kph conversion.
Miles per hour (mph) is primarily used in the United States, United Kingdom, and a few other countries, while kilometers per hour (kph or km/h) is the standard speed unit in most countries worldwide using the metric system.
The conversion from mph to kph uses the following formula:
This conversion factor comes from the fact that 1 mile equals 1.609344 kilometers.
The conversion factor 1.609344 is derived from the exact relationship between miles and kilometers:
MPH to KPH conversion is essential for international travel, understanding vehicle specifications, comparing speed limits across countries, and scientific calculations.
Yes, 1.609344 is the exact conversion factor defined by international standards. For most practical purposes, rounding to 1.61 provides sufficient accuracy.
MPH is used primarily in the US, UK, and some Caribbean nations. KPH is used in most other countries worldwide including Canada, Europe, Australia, and Asia.
Multiplying by 1.6 gives you an approximation within 1% of the exact value, which is sufficient for most everyday estimates.