How to convert knots to miles per hour
mph = kn × 1.150779448
Example: 5 kn × 1.150779448 = 5.75389724 mph
Knots to Miles per Hour table
| Knots (kn) | Miles per Hour (mph) |
|---|---|
| 0.5 kn | 0.57538972 mph |
| 1 kn | 1.1507794 mph |
| 2 kn | 2.3015589 mph |
| 3 kn | 3.4523383 mph |
| 4 kn | 4.6031178 mph |
| 5 kn | 5.7538972 mph |
| 6 kn | 6.9046767 mph |
| 7 kn | 8.0554561 mph |
| 8 kn | 9.2062356 mph |
| 9 kn | 10.357015 mph |
| 10 kn | 11.507794 mph |
| 15 kn | 17.261692 mph |
| 20 kn | 23.015589 mph |
| 25 kn | 28.769486 mph |
| 30 kn | 34.523383 mph |
| 40 kn | 46.031178 mph |
| 50 kn | 57.538972 mph |
| 75 kn | 86.308459 mph |
| 100 kn | 115.07794 mph |
| 250 kn | 287.69486 mph |
| 500 kn | 575.38972 mph |
| 1,000 kn | 1,150.7794 mph |
About these units
Knots (kn): A knot is one nautical mile per hour, exactly 1.852 km/h. Ships, aircraft and wind speeds at sea use knots.
Miles per Hour (mph): Miles per hour (mph) is used for road speeds in the US and UK. 1 mph is exactly 1.609344 km/h.
Frequently asked questions
How many miles per hour are in 1 knot?
1 knot equals 1.150779448 miles per hour (mph).
How do I convert kn to mph?
Multiply the value in knots by 1.150779448. For example, 5 kn × 1.150779448 = 5.75389724 mph.
How do I convert miles per hour back to knots?
Multiply by 0.8689762419 (or divide by 1.150779448). 1 mph = 0.8689762419 kn.
What is a knot?
A knot is one nautical mile per hour, exactly 1.852 km/h. Ships, aircraft and wind speeds at sea use knots.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every speed unit at once? Use the Speed Converter.