Convert Mile per hour to Knot
1 mile per hour = 0.8689762 knot (kn). For example, 10 mile per hour = 8.689762 knot and 100 mile per hour = 86.89762 knot. Type any value below to convert mile per hour to knot both ways — it runs entirely in your browser.
Mile per hour to Knot conversion formula
To convert mile per hour to knot, multiply by 0.8689762:
knot = mile per hour × 0.8689762
Going the other way, 1 knot = 1.150779 mile per hour, so
mile per hour = knot × 1.150779.
Mile per hour to Knot — worked examples
| Mile per hour | Knot |
|---|---|
| 1 mph | 0.8689762 kn |
| 2 mph | 1.737952 kn |
| 3 mph | 2.606929 kn |
| 5 mph | 4.344881 kn |
| 10 mph | 8.689762 kn |
| 25 mph | 21.72441 kn |
| 50 mph | 43.44881 kn |
| 100 mph | 86.89762 kn |
Mile per hour ↔ Knot reference table
| Mile per hour → Knot | Knot → Mile per hour |
|---|---|
| 1 mph = 0.8689762 kn | 1 kn = 1.150779 mph |
| 2 mph = 1.737952 kn | 2 kn = 2.301559 mph |
| 5 mph = 4.344881 kn | 5 kn = 5.753897 mph |
| 10 mph = 8.689762 kn | 10 kn = 11.50779 mph |
| 20 mph = 17.37952 kn | 20 kn = 23.01559 mph |
| 50 mph = 43.44881 kn | 50 kn = 57.53897 mph |
| 100 mph = 86.89762 kn | 100 kn = 115.0779 mph |
| 250 mph = 217.2441 kn | 250 kn = 287.6949 mph |
| 500 mph = 434.4881 kn | 500 kn = 575.3897 mph |
| 1000 mph = 868.9762 kn | 1000 kn = 1,150.779 mph |
About mile per hour and knot
Mile per hour: Miles per hour — the US/UK road-speed unit. 1 mph = 1.609344 km/h = 0.44704 m/s.
Knot: A knot is one nautical mile per hour — 1 kn = 1.852 km/h = 0.514444 m/s; used in sea and air navigation.
All speed factors are exact: 1 m/s = 3.6 km/h, 1 mph = 1.609344 km/h, 1 knot = 1.852 km/h, 1 ft/s = 0.3048 m/s. So the live tool and every number on this page always agree.
Frequently asked questions
- How many knot are in 1 mile per hour?
- 1 mile per hour = 0.8689762 knot (kn).
- How do I convert mile per hour to knot?
- Multiply the number of mile per hour by 0.8689762. For example, 10 mile per hour = 10 × 0.8689762 = 8.689762 knot.
- How many mile per hour are in 1 knot?
- 1 knot = 1.150779 mile per hour.
- Which is bigger, mile per hour or knot?
- 1 knot equals 1.150779 mile per hour, so a knot is the larger unit.