Knots to KM/H Converter

One knot equals 1.852 kilometers per hours (km/h). To convert knots to kilometers per hours, multiply by 1.852; to go back the other way, multiply by 0.5399568 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 kilometers 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.

Kilometers per hour (km/h) — Kilometres per hour is the everyday metric speed unit. Road speed limits and vehicle speedometers in most countries.

Knots to KM/H conversion table

The most common values, worked out in advance. Anything not listed can be typed straight into the converter.

How to convert knots to kilometers per hours by hand

Multiply the number of knots by 1.852.

For example, 25 kn × 1.852 = 46.3 km/h.

Going the other way, divide by 1.852 — or multiply by 0.5399568, 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.