Conversion formula

The conversion factor from gallons to cubic feet is 0.1336805555555, which means that 1 gallon is equal to 0.1336805555555 cubic feet:

1 gal = 0.1336805555555 ft3

To convert 3150 gallons into cubic feet we have to multiply 3150 by the conversion factor in order to get the volume amount from gallons to cubic feet. We can also form a simple proportion to calculate the result:

1 gal → 0.1336805555555 ft3

3150 gal → V_(ft3)

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

V_(ft3) = 3150 gal × 0.1336805555555 ft3

V_(ft3) = 421.09374999983 ft3

The final result is:

3150 gal → 421.09374999983 ft3

We conclude that 3150 gallons is equivalent to 421.09374999983 cubic feet:

3150 gallons = 421.09374999983 cubic feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic foot is equal to 0.0023747680890548 × 3150 gallons.

Another way is saying that 3150 gallons is equal to 1 ÷ 0.0023747680890548 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three thousand one hundred fifty gallons is approximately four hundred twenty-one point zero nine four cubic feet:

3150 gal ≅ 421.094 ft3

An alternative is also that one cubic foot is approximately zero point zero zero two times three thousand one hundred fifty gallons.

Conversion table

gallons to cubic feet chart

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