How to convert miles per hour to kilometers per hour
1 mph = 1.609344 km/h (exact)
km/h = mph × 1.609344
Shortcut: Multiply by 1.6: 60 mph ≈ 96 km/h (exactly 96.56).
Mph to km/h table
| Miles per hour | Kilometers per hour |
|---|---|
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 15 mph | 24.1402 km/h |
| 20 mph | 32.1869 km/h |
| 25 mph | 40.2336 km/h |
| 30 mph | 48.2803 km/h |
| 35 mph | 56.327 km/h |
| 40 mph | 64.3738 km/h |
| 45 mph | 72.4205 km/h |
| 50 mph | 80.4672 km/h |
| 55 mph | 88.5139 km/h |
| 60 mph | 96.5606 km/h |
| 65 mph | 104.6074 km/h |
| 70 mph | 112.6541 km/h |
| 75 mph | 120.7008 km/h |
| 80 mph | 128.7475 km/h |
| 100 mph | 160.9344 km/h |
| 150 mph | 241.4016 km/h |
| 200 mph | 321.8688 km/h |
Values are calculated with exact factors and rounded for the table; the converter above shows full precision.
Worked examples
30 mph to kilometers per hour
30 × 1.609344
48.2803 km/h
65 mph to kilometers per hour
65 × 1.609344
104.6074 km/h
100 mph to kilometers per hour
100 × 1.609344
160.9344 km/h
Questions
How fast is 60 mph in km/h?
Exactly 96.56064 km/h.
How fast is 70 mph in km/h?
About 112.65 km/h.
How do I convert mph to m/s?
Multiply by 0.44704 (exact): 60 mph = 26.8224 m/s.
Related conversions
- Kilometers per hour to miles per hour (the reverse)
- Speed converter: every speed unit, with the full drawing
The history: Why the US still uses feet, pounds and gallons.