Convert knots to miles per hour
1 knot equals 1.1508 miles per hour. Type any number below — the other side updates instantly.
Knots to miles per hour — quick reference
| knots | miles per hour |
|---|---|
| 1 kn | 1.1508 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 15 kn | 17.2617 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 30 kn | 34.5234 mph |
| 40 kn | 46.0311 mph |
| 50 kn | 57.5389 mph |
| 100 kn | 115.078 mph |
How to convert
Multiply the number of knots by 1.1508 to get mile per hours. To go the other way, multiply mile per hours by 0.868977 to get knots. The conversion factor is fixed and exact, so you can use this on any value.
About these units
Knots
- Definition
- A knot (symbol: kn) equals one nautical mile per hour, or about 1.852 km/h. 1 knot is roughly 1.151 mph.
- History
- The unit takes its name from the chip log — sailors counted knots in a rope passing through their hands as the log line ran out, with knots tied at fixed intervals.
- Current use
- Knots remain the standard speed unit in marine navigation, aviation, and meteorology worldwide.
Miles per hour
- Definition
- Miles per hour (symbol: mph) is a unit of speed expressing the number of miles traveled in one hour. 1 mph equals about 1.609 km/h.
- History
- Mph entered widespread use with the spread of automobiles in the early 20th century. The US has used mph as the standard speed unit since road signage was federalized.
- Current use
- Mph is the standard speed unit on roads in the United States, the United Kingdom, and a few smaller nations.
Frequently asked
- How many miles per hour are in 1 knot?
- 1 knot = 1.1508 miles per hour.
- How do you convert knots to miles per hour?
- Multiply the number of knots by 1.1508 to get mile per hours. To go the other way, multiply mile per hours by 0.868977 to get knots. The conversion factor is fixed and exact, so you can use this on any value.
- What is 25 knots in miles per hour?
- 25 knots = 28.7695 miles per hour.
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