21 km/h = 11.34 knots

21 km/h is equal to 11.34 knots when rounded to two decimal places.

More precise conversion

21 km/h = 11.3390928726 knots

How to convert 21 km/h to knots

Divide the speed in km/h by 1.852.

21 ÷ 1.852 = 11.3390928726 knots

The primary result, 11.34 knots, is rounded to two decimal places. The more precise result is rounded to 10 decimal places.

Also equals

Miles per hour
13.048795037 mph
Meters per second
5.833333 m/s
Feet per second
19.138233 ft/s
Centimeters per second
583.3333 cm/s

KM/H to knots converter

More km/h to knots conversions →

Nearby km/h to knots conversions

KM/HKnots
16 km/h8.6393088553
17 km/h9.1792656587
18 km/h9.7192224622
19 km/h10.2591792657
20 km/h10.7991360691
21 km/h11.3390928726
22 km/h11.879049676
23 km/h12.4190064795
24 km/h12.9589632829
25 km/h13.4989200864
26 km/h14.0388768898

About km/h and knots

KM/H means kilometers per hour. A knot is one nautical mile per hour, and one international nautical mile is exactly 1,852 meters. Therefore one knot equals exactly 1.852 km/h.