At One Place

40 mph to kn

40 miles per hour in knots
40 mph = 34.75905 kn
kn = mph × 0.8689762419

40 miles per hour is 34.75905 knots. To get there, multiply by 0.8689762419.

Values either side

Miles per hour near 40, converted to knots.
Miles per hour Knots
32 mph 27.80724
35 mph 30.41417
36 mph 31.28314
37 mph 32.15212
40 mph ← 34.75905
45 mph 39.10393
50 mph 43.44881
55 mph 47.79369
60 mph 52.13857

How the conversion works

The relationship is kn = mph × 0.8689762419. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

What is 40 mph in knots?
40 mph is 34.75905 kn.
How do you convert miles per hour to knots?
Multiply by 0.8689762419.

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