Convert knots to miles per hour instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert knots to miles per hour
Multiply the value by 1.15077945.
mph = kn × 1.15077945Example: 10 kn = 11.5078 mph.
Knots to Miles per hour conversion table
| Knots (kn) | Miles per hour (mph) |
|---|---|
| 1 kn | 1.1508 mph |
| 2 kn | 2.3016 mph |
| 3 kn | 3.4523 mph |
| 4 kn | 4.6031 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 15 kn | 17.2617 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 50 kn | 57.539 mph |
| 100 kn | 115.0779 mph |
Frequently asked questions
How many miles per hour is 1 knot?
1 knot equals 1.1508 miles per hour.
What is the formula to convert kn to mph?
To convert kn to mph, multiply the value by 1.15077945. The full formula is: mph = kn × 1.15077945.
How do I convert miles per hour back to knots?
Use the same calculator above and type your value into the miles per hour field instead — it converts in both directions. Or use the reverse formula: kn = mph ÷ 1.15077945.
Is the kn to mph conversion exact?
The conversion factor used here (1.15077945) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.