No. 21 kilometres is 21000 metres, so it is much longer.
The distance of a standard running track is typically 400 meters per lap. To calculate how many laps equal 21 kilometers, you convert 21 kilometers to meters, which is 21,000 meters. Dividing 21,000 meters by 400 meters per lap gives you 52.5 laps. Therefore, it would take 52 and a half laps around a standard track to equal 21 kilometers.
21 kilometers=21,000 meters21 kilometers = 21,000 meters
21 350 what? If it's 21 350 meters, that equals 21.35 kilometers.
One inch is equal to 0.0254 metres. Therefore, 21 inches is equal to 0.0254 x 21 = 0.5334 metres.
.021 kilometers
About 8.3 inches.
21 centimeters=8.26771654 inches
21,000 meters (1000m per km).
There are 1000 metres in one kilometre. Therefore, 2.1 kilometres is equal to 2.1 x 1000 = 2100 metres.
21 miles = 33.8 kilometers.
21,000 meters is 21 kilometers.
21 miles is approximately equal to 33.8 kilometers.