How to use Knots to Miles per Hour
Type a value in knots and the miles per hour figure appears straight away. The conversion table further down lists common values.
The formula
mph = knots × 1.150779448.
Examples
- 1 knots to miles per hour
1.15 mph
- 10 knots to miles per hour
11.51 mph
- 250 knots to miles per hour
287.69 mph
Knots to Miles per Hour conversion table
| Knots | Miles per Hour |
|---|---|
| 1 | 1.15 mph |
| 2 | 2.3 mph |
| 3 | 3.45 mph |
| 4 | 4.6 mph |
| 5 | 5.75 mph |
| 6 | 6.9 mph |
| 7 | 8.06 mph |
| 8 | 9.21 mph |
| 9 | 10.36 mph |
| 10 | 11.51 mph |
| 15 | 17.26 mph |
| 20 | 23.02 mph |
| 25 | 28.77 mph |
| 30 | 34.52 mph |
| 40 | 46.03 mph |
| 50 | 57.54 mph |
| 75 | 86.31 mph |
| 100 | 115.08 mph |
| 250 | 287.69 mph |
| 500 | 575.39 mph |
| 1,000 | 1,150.78 mph |
Limitations and assumptions
Results are estimates for general information. Check assumptions and inputs before relying on them.
Frequently asked questions
How many miles per hour are in one knot?
One knot equals 1.15 mph. The formula is mph = knots × 1.150779448..
How do I convert knots to miles per hour?
Use mph = knots × 1.150779448.. For example, 10 knots gives 11.51 mph. Enter your own value above and the converter does the arithmetic for you.
How do I convert miles per hour back to knots?
Invert the relationship: reverse the formula so you divide where this one multiplies (and subtract where it adds).
Is this conversion exact?
Speed conversions chain a distance factor and a time factor (1 mile = 1.609344 km, 1 hour = 3,600 s), and a knot is one nautical mile per hour.