Convert miles per hour to knots
1 mile per hour equals 0.868977 knots. Type any number below — the other side updates instantly.
Miles per hour to knots — quick reference
| miles per hour | knots |
|---|---|
| 1 mph | 0.868977 kn |
| 5 mph | 4.3449 kn |
| 10 mph | 8.6898 kn |
| 25 mph | 21.7244 kn |
| 35 mph | 30.4142 kn |
| 50 mph | 43.4488 kn |
| 65 mph | 56.4835 kn |
| 80 mph | 69.5182 kn |
| 100 mph | 86.8977 kn |
| 200 mph | 173.795 kn |
How to convert
Multiply the number of mile per hours by 0.868977 to get knots. To go the other way, multiply knots by 1.1508 to get mile per hours. The conversion factor is fixed and exact, so you can use this on any value.
About these units
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.
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.
Frequently asked
- How many knots are in 1 mile per hour?
- 1 mile per hour = 0.868977 knots.
- How do you convert miles per hour to knots?
- Multiply the number of mile per hours by 0.868977 to get knots. To go the other way, multiply knots by 1.1508 to get mile per hours. The conversion factor is fixed and exact, so you can use this on any value.
- What is 50 miles per hour in knots?
- 50 miles per hour = 43.4488 knots.
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