Knots to MPH Converter
Convert knot to miles per hour instantly. 1 kn = 1.150779448 mph, worked steps and a full reference table.
How to use it
- Type the value in knot — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 kn | 1.150779448 mph |
| 5 kn | 5.75389724 mph |
| 10 kn | 11.50779448 mph |
| 100 kn | 115.0779448 mph |
One knot equals 1.1507794 miles per hours (mph). To convert knots to miles per hours, multiply by 1.1507794; to go back the other way, multiply by 0.86897624 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What knots and miles per hours actually measure
Knot (kn) — A knot is one nautical mile per hour — 1.852 km/h. Marine and aviation speed, and wind speed in forecasts.
Miles per hour (mph) — Miles per hour. Road speeds in the US and UK.
Knots to MPH conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| kn | mph |
|---|---|
| 1 kn | 1.1507794 mph |
| 2 kn | 2.3015589 mph |
| 5 kn | 5.7538972 mph |
| 10 kn | 11.507794 mph |
| 25 kn | 28.769486 mph |
| 50 kn | 57.538972 mph |
| 100 kn | 115.07794 mph |
How to convert knots to miles per hours by hand
Multiply the number of knots by 1.1507794.
For example, 25 kn × 1.1507794 = 28.769486 mph.
Going the other way, divide by 1.1507794 — or multiply by 0.86897624, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many mph are in 1 kn?
1 kn equals exactly 1.150779448 mph. Multiply any value in knot by 1.150779448 to get miles per hour.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026