Conversion formula

The conversion factor from liters to gallons is 0.26417205124156, which means that 1 liter is equal to 0.26417205124156 gallons:

1 L = 0.26417205124156 gal

To convert 21 liters into gallons we have to multiply 21 by the conversion factor in order to get the volume amount from liters to gallons. We can also form a simple proportion to calculate the result:

1 L → 0.26417205124156 gal

21 L → V_(gal)

Solve the above proportion to obtain the volume V in gallons:

V_(gal) = 21 L × 0.26417205124156 gal

V_(gal) = 5.5476130760727 gal

The final result is:

21 L → 5.5476130760727 gal

We conclude that 21 liters is equivalent to 5.5476130760727 gallons:

21 liters = 5.5476130760727 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.1802577047619 × 21 liters.

Another way is saying that 21 liters is equal to 1 ÷ 0.1802577047619 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one liters is approximately five point five four eight gallons:

21 L ≅ 5.548 gal

An alternative is also that one gallon is approximately zero point one eight times twenty-one liters.

Conversion table

liters to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from liters to gallons