ConvertOctopus Search

Unit Converter

Conversion formula

The conversion factor from gallons to liters is 3.7854118, which means that 1 gallon is equal to 3.7854118 liters:

1 gal = 3.7854118 L

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

1 gal → 3.7854118 L

21 gal → V(L)

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

V(L) = 21 gal × 3.7854118 L

V(L) = 79.4936478 L

The final result is:

21 gal → 79.4936478 L

We conclude that 21 gallons is equivalent to 79.4936478 liters:

21 gallons = 79.4936478 liters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 liter is equal to 0.012579621487693 × 21 gallons.

Another way is saying that 21 gallons is equal to 1 ÷ 0.012579621487693 liters.

Approximate result

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

21 gal ≅ 79.494 L

An alternative is also that one liter is approximately zero point zero one three times twenty-one gallons.

Conversion table

gallons to liters chart

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

gallons (gal) liters (L)
22 gallons 83.279 liters
23 gallons 87.064 liters
24 gallons 90.85 liters
25 gallons 94.635 liters
26 gallons 98.421 liters
27 gallons 102.206 liters
28 gallons 105.992 liters
29 gallons 109.777 liters
30 gallons 113.562 liters
31 gallons 117.348 liters