Knots to mph Converter
Convert knots (kn) to miles per hour (mph) as you type — 1 kn = 1.150779 mph. Switch units, change the precision or copy the result.
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How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — knots are already selected.
- The result in miles per hour appears instantly. Change either unit to convert to anything else in speed.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 kn to mph
1 knmph = 1 × 1.150779448 = 1.150779 mphCommon use cases
- Speed limits and speedometers when driving abroad.
- Running and cycling paces.
- Wind speeds and boat or aircraft speeds in knots.
Knots to mph conversion table
| Knot (kn) | Mile per hour (mph) |
|---|---|
| 0.1 kn | 0.115078 mph |
| 0.5 kn | 0.57539 mph |
| 1 kn | 1.150779 mph |
| 2 kn | 2.301559 mph |
| 3 kn | 3.452338 mph |
| 4 kn | 4.603118 mph |
| 5 kn | 5.753897 mph |
| 10 kn | 11.507794 mph |
| 15 kn | 17.261692 mph |
| Knot (kn) | Mile per hour (mph) |
|---|---|
| 20 kn | 23.015589 mph |
| 25 kn | 28.769486 mph |
| 50 kn | 57.538972 mph |
| 75 kn | 86.308459 mph |
| 100 kn | 115.077945 mph |
| 250 kn | 287.694862 mph |
| 500 kn | 575.389724 mph |
| 1,000 kn | 1,150.779448 mph |
Values rounded to 6 decimal places.
Related conversions
The units
- Knot (kn)
- 1 nautical mile per hour.
- Mile per hour (mph)
- 1 mi in 1 h = exactly 0.44704 m/s. Part of the US customary system.
How to convert knots to miles per hour
Ships and aircraft measure speed in knots (nautical miles per hour); one knot is about 1.15 mph.
To convert knots to miles per hour, use mph = kn × 1.150779448. One knot equals 1.150779 miles per hour, and one mile per hour equals 0.868976 knots.
Knot (kn): 1 nautical mile per hour. Mile per hour (mph): 1 mi in 1 h = exactly 0.44704 m/s.
All speed units are on the speed converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many miles per hour are in a knot?
1 kn = 1.150779 mph. Multiply knots by 1.150779448 (or use mph = kn × 1.150779448).
How do I convert knots to miles per hour?
Use mph = kn × 1.150779448. For example, 1 kn = 1.1508 mph and 10 kn = 11.5078 mph.
How do I convert km/h to mph quickly?
Divide by 1.609 — or multiply by about 0.62. 100 km/h ≈ 62.1 mph.
How do I convert m/s to km/h?
Multiply by exactly 3.6: 10 m/s = 36 km/h.