At One Place

40 kn to km/h

40 knots in kilometers per hour
40 kn = 74.08 km/h
km/h = kn × 1.852

40 knots is 74.08 kilometers per hour. To get there, multiply by 1.852.

Values either side

Knots near 40, converted to kilometers per hour.
Knots Kilometers per hour
32 kn 59.264
35 kn 64.82
36 kn 66.672
37 kn 68.524
40 kn ← 74.08
45 kn 83.34
50 kn 92.6
55 kn 101.86
60 kn 111.12

How the conversion works

The relationship is km/h = kn × 1.852. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

What is 40 kn in kilometers per hour?
40 kn is 74.08 km/h.
How do you convert knots to kilometers per hour?
Multiply by 1.852.

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