Miles per hour to Knots

Convert miles per hour (mph) to knots (kn) instantly — with formula and reference table.

Quick answer: 1 mph = 0.868976 kn. To convert miles per hour to knots, multiply by mph × 0.868976.

Converting miles per hour to knots

This converter changes a value in miles per hour (mph) into knots (kn). One miles per hour equals 0.868976 kn. One mph equals 0.869 knots. Knots are based on nautical miles per hour, used at sea and in aviation. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.

Formula

kn = mph × 0.868976

Example

Convert 10 mph to kn: 10 × 0.868976 = 8.689762 kn.

Miles per hour to Knots conversion table

Popular miles per hour to knots conversions

Quick answers for the mph values people look up most often:

• 4 mph = 3.4759 kn
• 6 mph = 5.2139 kn
• 7 mph = 6.0828 kn
• 8 mph = 6.9518 kn
• 9 mph = 7.8208 kn
• 12 mph = 10.4277 kn
• 15 mph = 13.0346 kn
• 30 mph = 26.0693 kn
• 40 mph = 34.759 kn
• 60 mph = 52.1386 kn
• 75 mph = 65.1732 kn
• 80 mph = 69.5181 kn
• 90 mph = 78.2079 kn
• 150 mph = 130.3464 kn
• 200 mph = 173.7952 kn
• 250 mph = 217.2441 kn
• 500 mph = 434.4881 kn
• 1000 mph = 868.9762 kn

How to use this converter

1. Enter a value in the miles per hour (mph) field.
2. Read the converted value in knots (kn) below.
3. Type into the kn field instead to convert in reverse, or use the swap button.

Frequently asked questions

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