Convert 21 Liters to Gallons
How big is 21 liters? How many gallons are in 21 liters? 21 L to gal conversion.
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21 Liters ≈
5.5476131 U.S. Gallons
result rounded
Decimal places
Result in Plain English
21 liters is equal to about 5.55 gallons.
In Scientific Notation
21 liters
= 2.1 x 101 liters
≈ 5.54761 x 100 gallons
Liters
A liter, or litre, is a unit of volume in the metric system. A liter is defined as the volume of a cube that is 10 centimeters on a side. There are about 3.785 liters in a U.S. gallon.Abbreviation: L
Gallons
A U.S. gallon is a unit of volume equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.Common abbreviations: gal, US gal