Knots to Mph Converter
Enter a value in knots to convert it to miles per hour — 1 kn = 1.1508 mph.
Reviewed by the ToolNestr Editorial Team — July 2026
How to convert knots to miles per hour
Converting knots to miles per hour is a simple multiplication: take your speed in knots and multiply by the fixed conversion factor of 1.150779 to get miles per hour. Because the factor never changes, the same calculation works for any value, from tiny amounts to very large ones. The converter above applies it the moment you type, with no rounding errors in the underlying maths.
Pilots and sailors use it to express wind and vessel speed in knots as everyday miles per hour. Knowing how to move between knots and miles per hour is useful whenever measurements are given in one system but you need them in the other — for shopping, travel, study, cooking, engineering or simply comparing figures from different countries.
The reference table below lists common knots values already converted to miles per hour, so you can read off everyday amounts at a glance without typing. For the opposite direction, use the Mph to Km/h Converter, which reverses the calculation exactly.
The formula and a worked example
Formula
mph = kn × 1.150779
Worked example
To convert 10 knots: 10 × 1.150779 = 11.5078 mph. To convert 25 knots: 25 × 1.150779 = 28.7695 mph.
Knots to Mph conversion table
| Knots (kn) | Miles per Hour (mph) |
|---|---|
| 1 | 1.1508 |
| 2 | 2.3016 |
| 5 | 5.7539 |
| 10 | 11.5078 |
| 25 | 28.7695 |
| 50 | 57.539 |
| 100 | 115.0779 |
| 250 | 287.6948 |
| 500 | 575.3895 |
| 1,000 | 1,150.779 |
Values are rounded for display; the converter above keeps full precision.
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Frequently asked questions
How do I convert knots to miles per hour?
Multiply the number of knots by 1.150779. For example, 10 kn × 1.150779 = 11.5078 mph. The converter above does this automatically.
How many miles per hour are in one knots?
There are 1.1508 miles per hour in one knots. Multiply by 1.150779 for any amount.
Is this Knots to Mph converter accurate?
Yes. It uses the exact conversion factor of 1.150779, so results are precise. Values shown in the table are rounded for readability.
How do I convert miles per hour back to knots?
Divide the miles per hour value by 1.150779 to get knots again.