Convert knots to miles per hour
Enter a value in knots (kn) to get miles per hour (mph). One knot is 1.1508 miles per hour; one mile per hour is 0.868976 knots.
How to use the Knot to mile per hour
- Type the number of knots.
- Click Convert.
- Read the result in miles per hour, plus the same value in every other speed unit.
kn to mph formula
miles per hour = knots × 1.1508. To go the other way, knots = miles per hour × 0.868976 (see miles per hour to knots).
Worked example
12 kn × 1.1508 = 13.8094 mph.
Knots to miles per hour conversion table
| Knots | Miles per hour |
|---|---|
| 0.1 kn | 0.115078 mph |
| 0.5 kn | 0.57539 mph |
| 1 kn | 1.1508 mph |
| 2 kn | 2.3016 mph |
| 3 kn | 3.4523 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 50 kn | 57.539 mph |
| 100 kn | 115.0779 mph |
| 250 kn | 287.6949 mph |
| 500 kn | 575.3897 mph |
| 1,000 kn | 1,150.78 mph |
About the knot
One nautical mile per hour, about 1.852 km/h. Ships, aircraft and wind at sea.
About the mile per hour
Road speed limits in the USA and UK; exactly 1.609344 km/h.
Related conversions
miles per hour to knots · knots to kilometres per hour · any unit.
Frequently asked questions
How many miles per hour in a knot?
1.1508 miles per hour.
How many knots in a mile per hour?
0.868976 knots.
Is the factor exact?
The factor 1.1508 is derived from the units' exact definitions; only the display is rounded.
Privacy
This tool runs entirely inside your browser using WebAssembly and the Canvas/File APIs. Your files are never uploaded to ToolFlint or any third party; you can verify this in your browser's network tab or by switching to airplane mode after the page loads. Read how we process files.
Last updated 2026-09-23.