How to convert miles per hour to knots
Multiply the number of miles per hour by 0.868976:
knots = miles per hour × 0.868976
Going the other way, 1 knot = 1.1508 miles per hour, so divide knots by 0.868976 (or multiply by 1.1508) to get miles per hour.
Example: 25 miles per hour × 0.868976 = 21.7244 knots.
Miles per hour to knots conversion table
| Miles per hour (mph) | Knots (kn) |
|---|---|
| 1 | 0.868976 |
| 2 | 1.738 |
| 3 | 2.6069 |
| 5 | 4.3449 |
| 10 | 8.6898 |
| 20 | 17.3795 |
| 25 | 21.7244 |
| 50 | 43.4488 |
| 100 | 86.8976 |
| 500 | 434.4881 |
| 1,000 | 868.9762 |
About these units
Mile per hour (mph) and knot (kn) are both units of speed. Kilometers per hour are used on roads in most of the world, miles per hour in the US and UK, and knots (nautical miles per hour) at sea and in the air.
Related conversions
kilometers per hour to miles per hour · miles per hour to kilometers per hour · knots to miles per hour · all units