km/h to Knots

Convert km/h to kn using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

UnitsSpeed

Value in km/hkm/h

Value in kn: 0.5400kn

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

x_{kn} = f(x_{km\,h})

Symbol	Meaning	Unit
$km/h$	Value in km/h	km/h
$kn$	Value in kn	kn

Source: NIST SP 811 / ISO 80000

In short

Convert km/h to kn using the internationally-agreed conversion factor \u2014 the bridge between metric and Imperial marine units.