Conversion formula

The conversion factor from gallons to cubic meters is 0.0037854118, which means that 1 gallon is equal to 0.0037854118 cubic meters:

1 gal = 0.0037854118 m3

To convert 31.8 gallons into cubic meters we have to multiply 31.8 by the conversion factor in order to get the volume amount from gallons to cubic meters. We can also form a simple proportion to calculate the result:

1 gal → 0.0037854118 m3

31.8 gal → V_(m3)

Solve the above proportion to obtain the volume V in cubic meters:

V_(m3) = 31.8 gal × 0.0037854118 m3

V_(m3) = 0.12037609524 m3

The final result is:

31.8 gal → 0.12037609524 m3

We conclude that 31.8 gallons is equivalent to 0.12037609524 cubic meters:

31.8 gallons = 0.12037609524 cubic meters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic meter is equal to 8.307297208854 × 31.8 gallons.

Another way is saying that 31.8 gallons is equal to 1 ÷ 8.307297208854 cubic meters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that thirty-one point eight gallons is approximately zero point one two cubic meters:

31.8 gal ≅ 0.12 m3

An alternative is also that one cubic meter is approximately eight point three zero seven times thirty-one point eight gallons.

Conversion table

gallons to cubic meters chart

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