Mile per hour to Knot Converter
Type a value — the answer appears instantly. 1 mph = 0.868976 kn.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.868976 knots
= 1.60934 km/h= 0.44704 m/s
equals 0.868976 knotsFormula: kn = mph × 0.86897624
Mile per hour to Knot formula
kn = mph × 0.86897624
Convert 5 miles per hour to knots
- Start with 5 miles per hour.
- Multiply by the conversion factor: 5 × 0.868976 = 4.34488.
- So 5 mph = 4.34488 kn.
Mile per hour to Knot conversion table
| Miles per hour (mph) | Knots (kn) |
|---|---|
| 0.01 mph | 0.00868976 kn |
| 0.1 mph | 0.0868976 kn |
| 0.25 mph | 0.217244 kn |
| 0.5 mph | 0.434488 kn |
| 1 mph | 0.868976 kn |
| 2 mph | 1.73795 kn |
| 3 mph | 2.60693 kn |
| 4 mph | 3.4759 kn |
| 5 mph | 4.34488 kn |
| 6 mph | 5.21386 kn |
| 7 mph | 6.08283 kn |
| 8 mph | 6.95181 kn |
| 9 mph | 7.82079 kn |
| 10 mph | 8.68976 kn |
| 15 mph | 13.0346 kn |
| 20 mph | 17.3795 kn |
| 25 mph | 21.7244 kn |
| 30 mph | 26.0693 kn |
| 40 mph | 34.759 kn |
| 50 mph | 43.4488 kn |
| 75 mph | 65.1732 kn |
| 100 mph | 86.8976 kn |
| 250 mph | 217.244 kn |
| 500 mph | 434.488 kn |
| 1,000 mph | 868.976 kn |
| 5,000 mph | 4,344.88 kn |
| 10,000 mph | 8,689.76 kn |
Unit definitions
What is a mile per hour?
The mile per hour is the customary speed unit in the United States and United Kingdom for road traffic and speed limits. It equals one statute mile travelled in one hour. One mile per hour is about 1.609 kilometres per hour.
What is a knot?
The knot is one nautical mile per hour, the standard speed unit in maritime and aviation navigation. It is defined exactly from the 1852-metre nautical mile. One knot is about 1.852 kilometres per hour or 1.151 miles per hour.
Frequently asked questions
How many knots are in one mile per hour?
One mile per hour equals 0.868976 knots (1 mph = 0.868976 kn).
How do I convert miles per hour to knots?
Multiply the value in miles per hour by 0.868976. For example, 10 mph × 0.868976 = 8.68976 kn.
Which is bigger — a mile per hour or a knot?
A knot is bigger: one knot contains 1.15078 miles per hour.
Is this mile per hour to knot converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.