miles per hour to knots
Convert mile per hour to knot — instant, free, with the formula shown.
1 mph=0.869 kn
How to convert mile per hour to knot
To convert mile per hour to knot, multiply by 0.86897624:
kn = mph × 0.86897624
For example, 10 mph × 0.868976 = 8.6898 kn.
mph to kn conversion table
| miles per hour (mph) | knots (kn) |
|---|---|
| 1 mph | 0.869 kn |
| 2 mph | 1.738 kn |
| 5 mph | 4.3449 kn |
| 10 mph | 8.6898 kn |
| 25 mph | 21.7244 kn |
| 50 mph | 43.4488 kn |
| 100 mph | 86.8976 kn |
| 250 mph | 217.2441 kn |
| 500 mph | 434.4881 kn |
| 1000 mph | 868.9762 kn |
Other mile per hour conversions
Convert to knot from another unit
mph to kn — frequently asked
How many knots are in 1 mile per hour?
1 mile per hour = 0.869 knots (mph × 0.868976 = kn).
What is the formula to convert mile per hour to knot?
Multiply your mile per hour value by 0.86897624 to get knot.
How do I convert 10 miles per hour to knots?
10 mph = 8.6898 kn. For 100 mph the answer is 86.8976 kn. Use the calculator on this page for any other value.
When to convert mile per hour to knot
1Driving and traffic (mph ↔ km/h)
2Aviation and maritime (knots, Mach)
3Running, cycling and sports (km/h, mph, m/s)
4Physics and engineering (m/s)
Speed conversion — common questions
What is 60 mph in km/h?
60 mph × 1.60934 ≈ 96.56 km/h.
Why are nautical and aviation speeds in knots?
1 knot = 1 nautical mile per hour, and the nautical mile is based on Earth's geometry (1/60 of one degree of latitude), which makes navigation calculations simpler.
How fast is Mach 1?
Mach 1 is the speed of sound, ≈ 343 m/s at sea level at 20 °C. It varies with temperature and altitude.
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