Convert Miles per Hour to Knots

The mph-to-kn conversion appears often when working with speed data across different unit systems. Speed conversions connect metric road limits, aviation knots, and imperial miles per hour — common when traveling internationally or reading foreign weather reports.

To convert, multiply the miles per hour value by 0.868977. Written as an equation: kn = mph × 0.868977.

One miles per hour equals approximately 0.868977 kn. This means you can multiply any mph value by 0.868977 to get the equivalent in kn.

Worked example: 1 mph = 0.868977 kn. Enter your own value in the converter above for instant results.

Common mistake: Knots measure nautical miles per hour, not statute miles — they are close but not identical to mph.

Bookmark this page for quick mph to kn conversions, or use the swap button to reverse the direction and convert kn back to mph.