Mile/hours to Knots (mph to kn)
Free online mile/hour to knot converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
SPEED CONVERTER — INSTANT RESULT
Formula: multiply the mile/hour value by 0.86897624 — i.e. kn = mph × 0.86897624
Quick check: 1 mph = 0.86897624 kn
Quick check: 1 mph = 0.86897624 kn
Mile/hours to Knots conversion table
| Mile/hours (mph) | Knots (kn) |
|---|---|
| 1 mph | 0.86897624 kn |
| 2 mph | 1.73795248 kn |
| 3 mph | 2.60692873 kn |
| 4 mph | 3.47590497 kn |
| 5 mph | 4.34488121 kn |
| 6 mph | 5.21385745 kn |
| 7 mph | 6.08283369 kn |
| 8 mph | 6.95180994 kn |
| 9 mph | 7.82078618 kn |
| 10 mph | 8.68976242 kn |
| 15 mph | 13.03464363 kn |
| 20 mph | 17.37952484 kn |
| 25 mph | 21.72440605 kn |
| 30 mph | 26.06928726 kn |
| 40 mph | 34.75904968 kn |
| 50 mph | 43.4488121 kn |
| 75 mph | 65.17321814 kn |
| 100 mph | 86.89762419 kn |
| 250 mph | 217.24406048 kn |
| 500 mph | 434.48812095 kn |
| 1,000 mph | 868.9762419 kn |
How to convert mile/hours to knots
To convert mile/hours to knots, multiply the amount in mile/hours by 0.86897624. For example, 10 mph = 8.68976242 kn. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between meters per second, kilometers per hour, miles per hour, knots and Mach. One knot is one nautical mile per hour; Mach numbers are referenced to the speed of sound at 15°C sea level (340.3 m/s).
Frequently asked questions
How many knots are in one mile/hour?
One mile/hour is exactly 0.86897624 knots.
How do I convert mph to kn?
Multiply the mph value by 0.86897624 to get kn. The converter at the top of this page does this automatically and works in both directions.
How much is 100 mile/hours in knots?
100 mile/hours equals 86.89762419 knots.