Knots to MPH Converter
Convert knots to miles per hour — for sailing, boating and aviation. Switch to km/h, m/s or ft/s with the dropdowns.
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Knots to MPH Factor
1 knot = 1.15078 mph and 1 mph = 0.868976 knots. A knot is one nautical mile per hour, and a nautical mile is 1.852 km. Quick conversions:
- knots → mph: multiply by 1.151
- knots → km/h: multiply by 1.852
Knots Reference Table
| Knots | mph | km/h |
|---|---|---|
| 1 kn | 1.15 | 1.85 |
| 5 kn | 5.75 | 9.26 |
| 10 kn | 11.51 | 18.52 |
| 20 kn | 23.02 | 37.04 |
| 50 kn | 57.54 | 92.60 |
Why Boats and Planes Use Knots
Knots tie directly to charts: one knot means covering one minute of latitude per hour, so navigators can read distance and speed straight off the coordinate grid. Measure marine and aviation routes in nautical miles with the nautical miles calculator, or convert other units with the speed converter.
Get Distance Tool
Download Distance Tool for iOS and start measuring in seconds.
