Knots to Mph ConverterRight in Your Browser
Convert knots (kn) to miles per hour (mph). The knot (kn) is one nautical mile per hour — the standard speed unit in sailing, shipping and aviation. Miles per hour (mph) is the road-speed unit of the US and UK, used for speed limits and wind speeds. Everything is calculated locally in your browser — no server, and it works offline.
1.15078 mph
in miles per hour (mile per hour)
To convert knots to miles per hour, multiply the knot value by 1.15078.
Switch to Mph to KnotsKnots to Mph Chart
| Knots (kn) | Miles per hour (mph) |
|---|---|
| 1 | 1.15078 |
| 2 | 2.30156 |
| 3 | 3.45234 |
| 4 | 4.60312 |
| 5 | 5.7539 |
| 10 | 11.5078 |
| 20 | 23.0156 |
| 50 | 57.539 |
| 100 | 115.078 |
Frequently Asked Questions
How many miles per hour are in a knot?
One knot equals 1.15078 miles per hour (1 kn = 1.15078 mph). So to go from knots to miles per hour, multiply the knot value by 1.15078.
What is the formula to convert knots to miles per hour?
To convert knots to miles per hour, multiply the knot value by 1.15078. For example, 10 kn is 11.5078 mph.
What is 20 knots in miles per hour?
20 knots — a fast sailing yacht — is 23.0156 miles per hour. The converter above works for any value, entirely in your browser.
Is the knot to mile per hour conversion exact?
The factor used here is the defined value: 1 kn = 1.150779448 mph. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.