Formula: value × 1.609344
How to Convert Miles per hour to Kilometers per hour
1 Miles per hour = 1.6093 Kilometers per hour
1 Kilometers per hour = 0.621371 Miles per hour
Example: convert 15 Miles per hour to Kilometers per hour:
15 mph = 15 × 1.6093 kph = 24.1402 kph
Conversion Table
| Miles per hour | Kilometers per hour |
|---|---|
| 1 mph | 1.6093 kph |
| 2 mph | 3.2187 kph |
| 3 mph | 4.828 kph |
| 4 mph | 6.4374 kph |
| 5 mph | 8.0467 kph |
| 6 mph | 9.6561 kph |
| 7 mph | 11.2654 kph |
| 8 mph | 12.8748 kph |
| 9 mph | 14.4841 kph |
| 10 mph | 16.0934 kph |
About MPH to KPH Conversion
Miles-per-hour to kilometres-per-hour is one of the most useful speed conversions for international travellers, as road speed limits and car speedometers differ between countries.
Common use cases
- Reading speed limits when driving abroad
- Converting car top-speed specifications
- Comparing wind and storm speeds in weather reports
- Sports performance metrics (cycling, running)
Common mph to kph Reference Values
| Miles per hour (mph) | Kilometers per hour (kph) |
|---|---|
| 30 mph | 48.3 kph |
| 60 mph | 96.6 kph |
| 70 mph | 112.7 kph |
| 100 mph | 160.9 kph |
Quick Tip
A quick mental rule: multiply mph by 1.6 to get kph. The UK motorway limit of 70 mph ≈ 112 kph.
mph to kph Formula
Use the following formula to convert Miles per hour to Kilometers per hour:
kph = value × 1.609344