At One Place

40 km/h to kn

40 kilometers per hour in knots
40 km/h = 21.59827 kn
kn = km/h × 0.5399568035

40 kilometers per hour is 21.59827 knots. To get there, multiply by 0.5399568035.

Values either side

Kilometers per hour near 40, converted to knots.
Kilometers per hour Knots
32 km/h 17.27862
35 km/h 18.89849
36 km/h 19.43844
37 km/h 19.9784
40 km/h ← 21.59827
45 km/h 24.29806
50 km/h 26.99784
55 km/h 29.69762
60 km/h 32.39741

How the conversion works

The relationship is kn = km/h × 0.5399568035. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

What is 40 km/h in knots?
40 km/h is 21.59827 kn.
How do you convert kilometers per hour to knots?
Multiply by 0.5399568035.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked