312 US gallons in US dry barrels
Result
The conversion result is: 312 US gallons is equivalent to 10.2142857142857 US dry barrels.[1]
Conversion formula
How to convert 312 US gallons to US dry barrels?
We know (by definition) that: 1 usgallon ≈ 0.0327380952380952 drybarrel.
We can set up a proportion to solve for the number of US dry barrels.
1 usgallon / 312 usgallon ≈ 0.0327380952380952 drybarrel / x drybarrel
Now, we cross multiply to solve for our unknown x:
x drybarrel ≈ (312 usgallon / 1 usgallon) * 0.0327380952380952 drybarrel → x drybarrel ≈ 10.214285714285701 drybarrel
Conclusion:
312 usgallon ≈ 10.214285714285701 drybarrel

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry barrel is equal to 0.0979020979020979 times 312 US gallons.
It can also be expressed as: 312 US gallons is equal to 1 / 0.0979020979020979 US dry barrels.
Approximation
An approximate numerical result would be: three hundred and twelve US gallons is about ten point two one US dry barrels, or alternatively, a US dry barrel is about zero point one zero times three hundred and twelve US gallons.
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.