13 US customary cups in US gallons

Conversion

13 US customary cups is equivalent to 0.8125 US gallons.[1]

Conversion formula
How to convert 13 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 13 ⁢ uscup ≈ 0.0625 ⁢ usgallon x ⁢ usgallon

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

x ⁢ usgallon ≈ 13 ⁢ uscup 1 ⁢ uscup * 0.0625 ⁢ usgallon → x ⁢ usgallon ≈ 0.8125 ⁢ usgallon

Conclusion: 13 ⁢ uscup ≈ 0.8125 ⁢ usgallon

13 US customary cups is equivalent to 0.8125 US gallons

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 1.23076923076923 times 13 US customary cups.

It can also be expressed as: 13 US customary cups is equal to 1 1.23076923076923 US gallons.

Approximation

An approximate numerical result would be: thirteen US customary cups is about zero point eight one US gallons, or alternatively, a US gallon is about one point two three times thirteen 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.

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