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Convert knots to mph

1 knot equals 1.15078 miles per hour. To convert knots to miles per hour, multiply the number of knots by 1.15078: for example, 10 kn is 11.5078 mph. Ethical Tube's free knots to mph converter does the math as you type, and the chart below lists common values.

1 kn = 1.15078 mph

1 kn
1.15078 mph
1 mph
0.868976 kn
Formula
mph = kn × 1.15078
Measures
Speed
Price
Free
Works offline
Yes

Conversion chart

knots to mph chart

Knots (kn)Miles per hour (mph)
1 kn1.15078 mph
2 kn2.30156 mph
3 kn3.45234 mph
4 kn4.60312 mph
5 kn5.7539 mph
6 kn6.90468 mph
8 kn9.20624 mph
10 kn11.5078 mph
12 kn13.8094 mph
15 kn17.2617 mph
20 kn23.0156 mph
25 kn28.7695 mph
50 kn57.539 mph
100 kn115.078 mph

How it works

How to convert knots to mph

  1. Know the formula

    mph = kn × 1.15078. In words: multiply the number of knots by 1.15078.

  2. Work an example

    10 kn → 11.5078 mph. Round to two or three decimal places for everyday use.

  3. Or type it in

    Enter any value in the converter above and the answer appears instantly, in both directions.

Good to know

About speed units

  • One mile per hour is exactly 1.609344 kilometers per hour.
  • A knot is one nautical mile (1,852 meters) per hour. Ships and aircraft use it.

FAQ

Questions, answered

How many miles per hour are in a knot?

There are 1.15078 miles per hour in 1 knot. To convert knots to miles per hour, multiply the number of knots by 1.15078.

What is 10 knots in mph?

10 knots is 11.5078 miles per hour.

How do you convert mph back to knots?

Multiply the number of miles per hour by 0.868976. 1 mile per hour is 0.868976 knots.

Is this knots to mph converter free?

Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.

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