Knots to KMH Converter

Convert knots to kilometers per hour instantly, and back. Based on the exact 1 knot = 1.852 km/h definition.

Independently verified for accuracy

Calculator by Toolsloft ↗
Result
1.852 Kilometers per hour (km/h)
Conversion
1 Knots (kn) = 1.852 Kilometers per hour (km/h)

Convert knots to kilometers per hour, and back with the swap button. Useful for sailing, aviation, and weather reports where wind or vessel speed is given in knots. Enter the speed and the answer updates instantly.

How this is calculated

One knot is one nautical mile per hour, and a nautical mile is exactly 1,852 meters, so one knot equals exactly 1.852 kilometers per hour. Knots are multiplied by 1.852 to get km/h, and the reverse divides. The factor is exact.

How to use

  1. Enter the speed in knots.
  2. Keep the direction on knots to km/h, or press Swap units for km/h to knots.
  3. Read the result in kilometers per hour.

Examples

  • One knot: 1 kn = 1.852 km/h
  • Ten knots: 10 kn = 18.52 km/h
  • km/h to knots: 1 km/h = 0.539957 kn

FAQ

How many km/h is one knot?
One knot is exactly 1.852 kilometers per hour.
Why do ships and planes use knots?
A knot is one nautical mile per hour, and a nautical mile lines up with one minute of latitude, which makes navigation on charts straightforward.

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