138 US customary cups in US gallons

Result

The conversion result is: 138 US customary cups is equivalent to 8.625 US gallons.[1]

Conversion formula
How to convert 138 US customary cups to US gallons?

We know (by definition) that: 1 uscup ≈ 0.0625 usgallon.

We can set up a proportion to solve for the number of US gallons.

1 uscup / 138 uscup ≈ 0.0625 usgallon / x usgallon

Now, we cross multiply to solve for our unknown x:

x usgallon ≈ (138 uscup / 1 uscup) * 0.0625 usgallon → x usgallon ≈ 8.625 usgallon

Conclusion:

138 uscup ≈ 8.625 usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.115942028985507 times 138 US customary cups.

It can also be expressed as: 138 US customary cups is equal to 1 / 0.115942028985507 US gallons.

Approximation

An approximate numerical result would be: one hundred and thirty-eight US customary cups is about eight point six one US gallons, or alternatively, a US gallon is about zero point one two times one hundred and thirty-eight US customary cups.

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.