Knot
A knot is a unit of speed equal to one nautical mile per hour, or 1.852 kilometers per hour.
Reviewed 05.10.2026 · Version 3 · Scope: General
How to interpret it
It is used in nautical and aviation contexts. The unit expresses speed; its specific interpretation depends on which speed is being measured and relative to what reference.
Example
Hypothetical example: 10 knots equals 18.52 km/h by unit conversion. This calculation does not account for current, wind, or the duration of an actual journey.
Why it matters to you
It helps interpret speeds in specifications, instruments, and maritime or aviation information without confusing unit systems.
Common points of confusion
A knot is not a distance. “Knots per hour” should not be used to express constant speed in this unit.
Documentary sources
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