Knot to Mile per hour Converter
1 kn = 1.150779 mph — convert instantly with formula and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Quick answer: one knot equals 1.1508 miles per hour. So to convert knots to miles per hour, multiply by 1.15077945.
How to convert knots to miles per hour
miles per hour = knots × 1.1507794479
The knot — one nautical mile per hour — is the speed unit of ships, aircraft and wind. It ties neatly to navigation because one nautical mile is one minute of latitude.
Miles per hour governs road speeds in the US and UK. One mph is exactly 1.609344 km/h.
Knot to Mile per hour conversion table
| Knot (kn) | Mile per hour (mph) |
|---|---|
| 0.01 kn | 0.011508 mph |
| 0.1 kn | 0.115078 mph |
| 0.25 kn | 0.287695 mph |
| 0.4 kn | 0.460312 mph |
| 0.75 kn | 0.863085 mph |
| 1.25 kn | 1.4385 mph |
| 1.75 kn | 2.0139 mph |
| 2.5 kn | 2.8769 mph |
| 3.5 kn | 4.0277 mph |
| 4.5 kn | 5.1785 mph |
| 6 kn | 6.9047 mph |
| 8 kn | 9.2062 mph |
| 10 kn | 11.5078 mph |
| 12 kn | 13.8094 mph |
| 14 kn | 16.1109 mph |
| 16 kn | 18.4125 mph |
| 18 kn | 20.714 mph |
| 20 kn | 23.0156 mph |
| 24 kn | 27.6187 mph |
| 26 kn | 29.9203 mph |
| 30 kn | 34.5234 mph |
| 35 kn | 40.2773 mph |
| 45 kn | 51.7851 mph |
| 55 kn | 63.2929 mph |
| 65 kn | 74.8007 mph |
| 75 kn | 86.3085 mph |
| 85 kn | 97.8163 mph |
| 95 kn | 109.324 mph |
| 110 kn | 126.5857 mph |
| 125 kn | 143.8474 mph |
| 175 kn | 201.3864 mph |
| 250 kn | 287.6949 mph |
| 350 kn | 402.7728 mph |
| 450 kn | 517.8508 mph |
| 600 kn | 690.4677 mph |
| 750 kn | 863.0846 mph |
| 900 kn | 1,035.7 mph |
| 1,500 kn | 1,726.17 mph |
| 2,500 kn | 2,876.95 mph |
| 10,000 kn | 11,507.79 mph |
Need the opposite direction? Use the Mile per hour to Knot converter, or read our complete guide to speed conversions for every formula in one place.
Frequently asked questions
How many miles per hour are in one knot?
One knot equals 1.1508 miles per hour. Multiply any knot value by 1.15077945 to get miles per hour.
What is 10 knots in miles per hour?
10 knots equal 11.5078 miles per hour (10 × 1.150779).
Is the knot to mile per hour conversion exact?
The conversion factor used here (1.1507794479) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.