Convert knots to miles per hour
1 kn = 1.150779 mph. Change the amount below, or read the formula and the reference table further down.
1 knot equals
miles per hour
1 kn = 1.150779 mph
The formula
Knots and miles per hour both measure speed from the same zero, so a single multiplier does the job.
mph = kn × 1.15077945
Going the other way? Convert miles per hour to knots.
Knots to miles per hour table
Common values, rounded for reading.
| Knots (kn) | Miles per hour (mph) |
|---|---|
| 1 | 1.1508 |
| 2 | 2.3016 |
| 3 | 3.4523 |
| 4 | 4.6031 |
| 5 | 5.7539 |
| 6 | 6.9047 |
| 7 | 8.0555 |
| 8 | 9.2062 |
| 9 | 10.357 |
| 10 | 11.5078 |
| 15 | 17.2617 |
| 20 | 23.0156 |
| 25 | 28.7695 |
| 30 | 34.5234 |
| 40 | 46.0312 |
| 50 | 57.539 |
| 75 | 86.3085 |
| 100 | 115.08 |
| 250 | 287.69 |
| 500 | 575.39 |
| 1,000 | 1,150.78 |
Questions people ask
- How many miles per hour are in a knot?
- One knot equals 1.15077945 miles per hour.
- How do I convert knots to miles per hour by hand?
- Multiply the number of knots by 1.15077945. For a rough check, 1.2 is close enough for most everyday use.
- What is 1 knot in miles per hour?
- 1 knot is 1.150779 miles per hour.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.