Converters · Speed
3 mph =
2.606929 kn
3 miles per hour equals 2.606929 knots
To get knots, multiply by 0.8689762419.
kn = mph × 0.8689762419
Worked example: 3 × 0.8689762419 = 2.606929 kn.
Going the other way, multiply by 1.150779448 — one knot is 1.150779448 miles per hour.
| Mile per hour | Knot |
|---|---|
| 1 mph | 0.868976 kn |
| 2 mph | 1.737952 kn |
| 3 mph | 2.606929 kn |
| 5 mph | 4.344881 kn |
| 10 mph | 8.689762 kn |
| 25 mph | 21.724406 kn |
| 50 mph | 43.448812 kn |
| 100 mph | 86.897624 kn |
Paste this into your site — an interactive converter, free.
<iframe src="https://tools.dietsoda.dev/embed/speed" width="100%" height="180" style="border:1px solid #e2e8f0;border-radius:12px" title="Speed converter"></iframe>