Knots to Miles per Hour Converter
Convert knots (kn) to miles per hour (mph), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a speed, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 kn = 1.15077944802 mph
- 1 × 1.15077944802 = 1.15077944802 mph
How to convert knots to miles per hour
1 kn = 1.15077944802 mph, so multiply by 1.15077944802 to go from knots to miles per hour. Going the other way, 1 mph = 0.868976241901 kn.
mph = kn × 1.15077944802 kn = mph × 0.868976241901
Worked example:
1 kn = 1.15077944802 mph 5 × 1.15077944802 = 5.75389724012 mph
Knots to miles per hour table
| Knots | Miles per Hour |
|---|---|
| 1 kn | 1.15077944802 mph |
| 2 kn | 2.30155889605 mph |
| 3 kn | 3.45233834407 mph |
| 4 kn | 4.60311779209 mph |
| 5 kn | 5.75389724012 mph |
| 6 kn | 6.90467668814 mph |
| 7 kn | 8.05545613616 mph |
| 8 kn | 9.20623558419 mph |
| 9 kn | 10.3570150322 mph |
| 10 kn | 11.5077944802 mph |
| 15 kn | 17.2616917204 mph |
| 20 kn | 23.0155889605 mph |
| 25 kn | 28.7694862006 mph |
| 30 kn | 34.5233834407 mph |
| 40 kn | 46.0311779209 mph |
| 50 kn | 57.5389724012 mph |
| 75 kn | 86.3084586018 mph |
| 100 kn | 115.077944802 mph |
| 250 kn | 287.694862006 mph |
| 500 kn | 575.389724012 mph |
| 1000 kn | 1,150.77944802 mph |
About the units
- Knots (kn)
- Knots, a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Miles per Hour (mph)
- Miles per hour, a US customary unit. Definition: NIST Handbook 44 (2024), Appendix C: General Tables of Units of Measurement.