At One Place

40 kn to mph

40 knots in miles per hour
40 kn = 46.03118 mph
mph = kn × 1.150779448

40 knots is 46.03118 miles per hour. To get there, multiply by 1.150779448.

Values either side

Knots near 40, converted to miles per hour.
Knots Miles per hour
32 kn 36.82494
35 kn 40.27728
36 kn 41.42806
37 kn 42.57884
40 kn ← 46.03118
45 kn 51.78508
50 kn 57.53897
55 kn 63.29287
60 kn 69.04677

How the conversion works

The relationship is mph = kn × 1.150779448. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

What is 40 kn in miles per hour?
40 kn is 46.03118 mph.
How do you convert knots to miles per hour?
Multiply by 1.150779448.

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