1 kn = 1.150779 mph
| Knot (kn) | Miles per hour (mph) |
|---|---|
| 1 | 1.1508 |
| 2 | 2.3016 |
| 5 | 5.7539 |
| 8 | 9.2062 |
| 10 | 11.508 |
| 12 | 13.809 |
| 15 | 17.261 |
| 18 | 20.714 |
| 20 | 23.016 |
| 25 | 28.769 |
| 30 | 34.523 |
| 35 | 40.277 |
| 40 | 46.031 |
| 45 | 51.785 |
| 50 | 57.539 |
| 60 | 69.047 |
| 64 | 73.649 |
| 75 | 86.308 |
| 100 | 115.078 |
| 150 | 172.616 |
To convert knots to miles per hour, multiply by 1.15078. One knot equals one nautical mile per hour.
1 kn = 1.150779 mph
Convert 25 knots (a brisk sailing wind) to mph: 25 × 1.15078 = 28.77 mph
Convert 64 knots (hurricane threshold) to mph: 64 × 1.15078 = 73.65 mph
To convert mph to knots, divide by 1.15078, or multiply by 0.868976.
\u2022 5 knots (5.8 mph) is a gentle breeze — good for casual sailing.
\u2022 25 knots (28.8 mph) is a strong breeze that creates whitecaps on water.
\u2022 64 knots (73.6 mph) is the threshold for hurricane-force winds.
\u2022 A commercial airplane cruises at about 450-500 knots (518-575 mph).
Knots are the standard speed unit in aviation and maritime navigation worldwide. One knot equals one nautical mile per hour, and the nautical mile is defined by the geometry of the Earth — it’s one minute of arc of latitude. This makes knots particularly useful for navigation.
Sailors measure boat speed and wind speed in knots. A light breeze is 4-6 knots (4.6-6.9 mph), ideal for casual sailing. A fresh breeze of 17-21 knots (19.6-24.2 mph) offers exciting sailing conditions. Storm warnings typically begin at 34 knots (39.1 mph) — gale force. Understanding mph equivalents helps land-dwellers understand maritime conditions.
Air traffic control, flight planning, and aircraft speed are measured in knots. A commercial jet cruises at 450-550 knots (518-633 mph). Landing speed for a commercial aircraft is typically 130-160 knots (150-184 mph). Pilots and aviation enthusiasts need this conversion constantly.
Marine weather forecasts report wind speeds in knots. The Beaufort scale, used internationally for wind classification, is defined in knots: Force 0 is calm (0-1 kn), Force 6 is a strong breeze (22-27 kn / 25-31 mph), and Force 12 is hurricane force (64+ kn / 74+ mph).
One knot equals approximately 1.15078 miles per hour.
Knots are based on nautical miles, which correspond to the Earth’s coordinates — one nautical mile equals one minute of latitude. This makes navigation calculations much simpler when working with charts and coordinates.
Hurricane force winds start at 64 knots, which is approximately 73.6 mph or 118.5 km/h.
Commercial jets typically cruise at 450-550 knots (518-633 mph or 833-1019 km/h).