Miles per Hour to Kilometers per Hour Converter
Convert miles per hour to kilometers per hour instantly. 1 mph equals exactly 1.609344 km/h. Use the converter above, or the formula, worked example and table below for common speeds.
Live formula: 1 mph → km/h
See all Speed Converter conversions →
How to Use the Miles per Hour to Kilometers per Hour Converter
- 1. Enter a value in the left input field — the converter is already set to Mile per hour (mph) to Kilometer per hour (km/h).
- 2. Read the instant converted value and review the live formula line.
- 3. Use the swap button to reverse the direction, or copy either amount.
- 4. Check the table below for common mph to km/h conversions.
Miles per Hour to Kilometers per Hour Converter Formula
km/h = mph × 1.609344
Worked example: 60 mph × 1.609344 = 96.56064 km/h — About 96.56 km/h.
Mile per hour (mph) to Kilometer per hour (km/h) Conversion Table
| From Unit | To Unit | Input | Result |
|---|---|---|---|
| Mile per hour (mph) | Kilometer per hour (km/h) | 10 | 16.09344 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 20 | 32.18688 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 30 | 48.28032 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 50 | 80.4672 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 60 | 96.56064 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 70 | 112.65408 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 80 | 128.74752 |
| Mile per hour (mph) | Kilometer per hour (km/h) | 100 | 160.9344 |
Did You Know?
- 1 mph equals exactly 1.609344 km/h — the same factor as miles to kilometers.
- The UK national speed limit for cars on a motorway is 70 mph (112.65 km/h).
Frequently Asked Questions
How many km/h is 1 mph?
1 mph equals exactly 1.609344 km/h.
What is 60 mph in km/h?
60 mph equals 96.56 km/h (60 × 1.609344 = 96.56064 km/h).
What is the UK speed limit 70 mph in km/h?
70 mph equals 112.65 km/h (70 × 1.609344 = 112.65408 km/h).
Is mph to km/h the same factor as miles to km?
Yes. Both multiply by 1.609344, because km/h and mph are the same distance units divided by the same hour.