Conversions

Knots to mph

Convert knots to miles per hour. Used in aviation, sailing, and weather forecasting.

Enter value

Result

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1 knot = 1.15078 mph (nautical mile per hour)

Need the reverse? Try miles per hour → knots instead →

knots to miles per hour — reference table

knots (kn)	miles per hour (mph)
5kn	5.75mph
10kn	11.51mph
15kn	17.26mph
20kn	23.02mph
25kn	28.77mph
30kn	34.52mph
50kn	57.54mph
100kn	115.08mph
200kn	230.16mph

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How to use Knots to mph

01 Enter the value you want to convert in the input field
02 The converted result appears instantly
03 Scroll down for a quick-reference table of common values

Frequently asked questions

Common questions about Knots to mph.

Is Knots to mph free to use?

Yes, Knots to mph is completely free. No account, subscription, or payment is ever required — just open the page and start using it.

Does Knots to mph upload my data to a server?

No. Knots to mph runs entirely in your web browser using client-side JavaScript. Your files, text, and data never leave your device, making it 100% private.

Can I use Knots to mph on my phone or tablet?

Yes. Knots to mph is fully responsive and works on all modern smartphones, tablets, and desktop browsers without installing any app.

How accurate are the conversions?

Knots to mph uses standard mathematical conversion formulas and displays results to up to 8 decimal places of precision.

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About Knots to mph

The knot is the standard unit of speed in maritime and aviation contexts worldwide, defined as one nautical mile (1,852 metres) per hour. One knot equals approximately 1.15078 miles per hour or 1.852 kilometres per hour. Knots to MPH conversion is useful when reading aviation weather reports and wind speed data in the United States, interpreting a ship's speed log or cruising itinerary, understanding air traffic control communications, and converting storm surge or hurricane wind speed forecasts between international and US formats.