40 mph = 34.76 knots

40 miles per hour is equal to approximately 34.76 knots.

More precise conversion

40 mph = 34.759049676 knots

How to convert 40 mph to knots

Multiply the speed in MPH by approximately 0.868976242.

40 × 1609.344 ÷ 1852 = 34.759049676 knots

The commonly displayed result, 34.76 knots, is rounded to two decimal places. The more precise result is rounded to 10 decimal places where needed.

Also equals

Kilometers per hour
64.37376 km/h
Meters per second
17.8816 m/s
Feet per second
58.666667 ft/s
Centimeters per second
1788.16 cm/s

MPH to knots converter

More MPH to knots conversions →

Nearby MPH to knots conversions

MPHKnots
35 mph30.4141684665
36 mph31.2831447084
37 mph32.1521209503
38 mph33.0210971922
39 mph33.8900734341
40 mph34.759049676
41 mph35.6280259179
42 mph36.4970021598
43 mph37.3659784017
44 mph38.2349546436
45 mph39.1039308855

About MPH and knots

MPH means miles per hour, and one international mile is exactly 1,609.344 meters. A knot is one nautical mile per hour, and one international nautical mile is exactly 1,852 meters.