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 138 gallons into cubic meters we have to multiply 138 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

138 gal → V_(m3)

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

V_(m3) = 138 gal × 0.0037854118 m3

V_(m3) = 0.5223868284 m3

The final result is:

138 gal → 0.5223868284 m3

We conclude that 138 gallons is equivalent to 0.5223868284 cubic meters:

138 gallons = 0.5223868284 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 1.9142902263881 × 138 gallons.

Another way is saying that 138 gallons is equal to 1 ÷ 1.9142902263881 cubic meters.

Approximate result

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

138 gal ≅ 0.522 m3

An alternative is also that one cubic meter is approximately one point nine one four times one hundred thirty-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