mph to kmh converter
1 miles per hour equals 1.609344 kilometers per hour. Conversions use km/h = mph × 1.6093
mph → 1.609344 km/h
km/h = mph × 1.6093
Converter
Worked examples
- 1 mph = 1.609344 km/h
- 2 mph = 3.218688 km/h
- 5 mph = 8.04672 km/h
- 10 mph = 16.09344 km/h
- 100 mph = 160.934 km/h
miles per hour to kilometers per hour conversion table
| mph | km/h | Arithmetic |
|---|---|---|
| 30 mph | 48.28032 km/h | × 1.6093 |
| 40 mph | 64.37376 km/h | × 1.6093 |
| 50 mph | 80.4672 km/h | × 1.6093 |
| 55 mph | 88.51392 km/h | × 1.6093 |
| 60 mph | 96.56064 km/h | × 1.6093 |
| 65 mph | 104.607 km/h | × 1.6093 |
| 70 mph | 112.654 km/h | × 1.6093 |
| 75 mph | 120.701 km/h | × 1.6093 |
| 80 mph | 128.748 km/h | × 1.6093 |
| 100 mph | 160.934 km/h | × 1.6093 |
| 1 mph | 1.609344 km/h | × 1.6093 |
| 2 mph | 3.218688 km/h | × 1.6093 |
| 3 mph | 4.828032 km/h | × 1.6093 |
| 4 mph | 6.437376 km/h | × 1.6093 |
| 5 mph | 8.04672 km/h | × 1.6093 |
| 6 mph | 9.656064 km/h | × 1.6093 |
| 8 mph | 12.874752 km/h | × 1.6093 |
| 10 mph | 16.09344 km/h | × 1.6093 |
| 12 mph | 19.312128 km/h | × 1.6093 |
| 15 mph | 24.14016 km/h | × 1.6093 |
| 20 mph | 32.18688 km/h | × 1.6093 |
| 25 mph | 40.2336 km/h | × 1.6093 |
| 90 mph | 144.841 km/h | × 1.6093 |
How to convert mph to km/h
- Take your value in miles per hour.
- Multiply by 1.6093
- That is your answer in kilometers per hour — no rounding needed until you choose a display precision.
Related conversions
km/h to mphkm/h to m/skm/h to knkm/h to ft/smph to m/smph to knmph to ft/sm/s to km/hkn to km/hall speed units
Questions
How many kilometers per hour in 1 miles per hour?
Exactly 1.609344 km/h. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert mph to km/h?
Multiply the miles per hour figure by 1.6093 — or use the converter above, which updates as you type.
Is mph to km/h the same as km/h to mph?
No — they are inverses. One mph is 1.609344 km/h, while one km/h is 0.62137119 mph.
What is 30 mph in km/h?
30 mph = 48.28032 km/h (see the value page for the full arithmetic).