90 mph = 78.21 knots

90 miles per hour is equal to approximately 78.21 knots.

More precise conversion

90 mph = 78.2078617711 knots

How to convert 90 mph to knots

Multiply the speed in MPH by approximately 0.868976242.

90 × 1609.344 ÷ 1852 = 78.2078617711 knots

The commonly displayed result, 78.21 knots, is rounded to two decimal places. The more precise result is rounded to 10 decimal places where needed.

Also equals

Kilometers per hour
144.84096 km/h
Meters per second
40.2336 m/s
Feet per second
132 ft/s
Centimeters per second
4023.36 cm/s

MPH to knots converter

More MPH to knots conversions →

Nearby MPH to knots conversions

MPHKnots
85 mph73.8629805616
86 mph74.7319568035
87 mph75.6009330454
88 mph76.4699092873
89 mph77.3388855292
90 mph78.2078617711
91 mph79.076838013
92 mph79.9458142549
93 mph80.8147904968
94 mph81.6837667387
95 mph82.5527429806

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.