13 US dry barrels in US gallons
Result
The conversion result is: 13 US dry barrels is equivalent to 397.090909090909 US gallons.[1]
Conversion formula
How to convert 13 US dry barrels to US gallons?
We know (by definition) that: 1 drybarrel ≈ 30.5454545454545 usgallon.
We can set up a proportion to solve for the number of US gallons.
1 drybarrel / 13 drybarrel ≈ 30.5454545454545 usgallon / x usgallon
Now, we cross multiply to solve for our unknown x:
x usgallon ≈ (13 drybarrel / 1 drybarrel) * 30.5454545454545 usgallon → x usgallon ≈ 397.0909090909085 usgallon
Conclusion:
13 drybarrel ≈ 397.0909090909085 usgallon
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Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 0.00251831501831502 times 13 US dry barrels.
It can also be expressed as: 13 US dry barrels is equal to 1 / 0.00251831501831502 US gallons.
Approximation
An approximate numerical result would be: thirteen US dry barrels is about three hundred and ninety-seven point zero eight US gallons, or alternatively, a US gallon is about zero times thirteen US dry barrels.
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.