42 mph ≈ 67.5924 kph. To convert miles per hour to kilometres per hour, multiply by 1.6093427: 42 × 1.6093427 = 67.5924.
How to convert miles per hour to kilometres per hour
kph = mph × 1.6093427
- 1 mph = 1.6093427 kph (and 1 kph = 0.62137169 mph).
- Multiply the amount by the factor: 42 × 1.6093427 = 67.5924.
- Answer: 42 mph ≈ 67.5924 kph (rounded to 6 significant figures).
Miles Per Hour to Kilometres Per Hour table
| Miles Per Hour (mph) | Kilometres Per Hour (kph) |
|---|---|
| 37 mph | 59.5457 kph |
| 38 mph | 61.155 kph |
| 39 mph | 62.7644 kph |
| 40 mph | 64.3737 kph |
| 41 mph | 65.9831 kph |
| 42 mph | 67.5924 kph |
| 43 mph | 69.2017 kph |
| 44 mph | 70.8111 kph |
| 45 mph | 72.4204 kph |
| 46 mph | 74.0298 kph |
| 47 mph | 75.6391 kph |
| mph | kph |
|---|---|
| 1 mph | 1.6093 kph |
| 5 mph | 8.0467 kph |
| 10 mph | 16.0934 kph |
| 50 mph | 80.4671 kph |
| 100 mph | 160.934 kph |
| 1,000 mph | 1,609.34 kph |