660 imperial gallons in US dry barrels
Result
The conversion result is: 660 imperial gallons is equivalent to 25.9490966046585 US dry barrels.[1]
Conversion formula
How to convert 660 imperial gallons to US dry barrels?
We know (by definition) that: 1 imperialgallon ≈ 0.0393168130373613 drybarrel.
We can set up a proportion to solve for the number of US dry barrels.
1 imperialgallon / 660 imperialgallon ≈ 0.0393168130373613 drybarrel / x drybarrel
Now, we cross multiply to solve for our unknown x:
x drybarrel ≈ (660 imperialgallon / 1 imperialgallon) * 0.0393168130373613 drybarrel → x drybarrel ≈ 25.949096604658457 drybarrel
Conclusion:
660 imperialgallon ≈ 25.949096604658457 drybarrel
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry barrel is equal to 0.0385369870572094 times 660 imperial gallons.
It can also be expressed as: 660 imperial gallons is equal to 1 / 0.0385369870572094 US dry barrels.
Approximation
An approximate numerical result would be: six hundred and sixty imperial gallons is about twenty-five point nine four US dry barrels, or alternatively, a US dry barrel is about zero point zero four times six hundred and sixty imperial 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.