Convert knots to miles per hour and mph to knots instantly. Bidirectional speed converter with formula and common values.
To convert knots to mph, multiply by 1.15078. One knot equals one nautical mile per hour, and one nautical mile is 1.15078 statute miles.
| Knots | mph |
|---|---|
| 5 | 5.754 |
| 15 | 17.262 |
| 25 | 28.770 |
| 34 | 39.127 |
| 50 | 57.539 |
| 64 | 73.650 |
| 100 | 115.078 |
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One knot equals approximately 1.15078 miles per hour.
Multiply the number of knots by 1.15078. For example, 25 knots × 1.15078 = 28.77 mph.
Knots are based on nautical miles, which correspond to one minute of latitude. This makes navigation calculations on charts much simpler than using statute miles.
Winds above 34 knots (39 mph) are gale-force. Hurricane-force winds start at 64 knots (74 mph).