Direct conversion
Convert mile per hour [mph] to knot [kn] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 mile per hour [mph] = 0.868976 knot [kn]
1 mile per hour [mph] = 0.868976 knot [kn]
Example: 1 mile per hour [mph] equals 0.868976 knot [kn].
Speed conversions use meter per second as the reference unit. Road, aviation, nautical, and physics units are converted through stored factors.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
Miles per hour measures how many miles are traveled in one hour.
HistoryThe unit combines the customary mile with the hour and became common with road, rail, and vehicle speed measurement.
Current useMiles per hour is used for road speeds, vehicle dashboards, wind speeds, sports, and travel planning in the United States and UK.
The knot is a speed unit equal to one nautical mile per hour.
HistoryKnots come from maritime navigation and log-line speed measurement.
Current useKnots are used in aviation, marine navigation, weather, sailing, and ocean current reporting.
| mile per hour [mph] | knot [kn] |
|---|---|
| 1 | 0.868976 |
| 2 | 1.737952 |
| 5 | 4.344881 |
| 10 | 8.689762 |
| 20 | 17.379525 |
| 25 | 21.724406 |
| 50 | 43.448812 |
| 100 | 86.897624 |
| 1000 | 868.976242 |
Use this formula: 1 mile per hour [mph] = 0.868976 knot [kn] Enter your value in the calculator and the result updates instantly.
1 mile per hour [mph] equals 0.868976 knot [kn].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.