21.4 litres
21kL is 21,000 liters.
There is no such thing.
A US gallon is 3.785 liters 21 x 3.785 = 79.49 liters. A imperial gallon ( Canadian) is 4.546 liters. 21 x 4.546 = 95.47 liters
21 liters
About 39,397 liters.
21 liters = 5.5476 US gallons = 4.6194 imperial gallons
About 49,246.3 liters of water.
82 liters = 18.0375 imperial gallons
1 litre = 1000 millilitres so 21 litres = 21*1000 = 21000 millilitres. Simple!
0.62 L 1 liter = 33.814 oz 1 oz = 0.02 L
There are 4 cups in i litre, so 21 times 4 = 84 cups
21 U.S. gallons ( 79.5 liters )