Knots to Miles per hour

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

kn
mph

Quick answer: 1 kn = 1.150779 mph. To convert knots to miles per hour, multiply by kn × 1.150779.

Converting knots to miles per hour

This converter changes a value in knots (kn) into miles per hour (mph). One knot equals 1.150779 mph. One knot equals 1.151 mph. A knot is one nautical mile per hour. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.

Formula

mph = kn × 1.150779

Example

Convert 10 kn to mph: 10 × 1.150779 = 11.507794 mph.

Knots to Miles per hour conversion table

Knots (kn)Miles per hour (mph)
1 kn1.150779 mph
2 kn2.301559 mph
3 kn3.452338 mph
5 kn5.753897 mph
10 kn11.507794 mph
20 kn23.015589 mph
25 kn28.769486 mph
50 kn57.538972 mph
100 kn115.077945 mph
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How to use this converter

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

Frequently asked questions

How fast is one knot in mph?

1 knot equals 1.151 mph.

How do I convert 50 knots to mph?

50 times 1.151 = 57.5 mph.

What is cruising speed for a jet in mph?

About 470-500 knots, which is 540-575 mph.

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Last updated: 2026-05-27 Free · No signup · Works offline Suggest an improvement