20 US dry barrels in imperial gallons
Result
The conversion result is: 20 US dry barrels is equivalent to 508.688229155164 imperial gallons.[1]
Conversion formula
How to convert 20 US dry barrels to imperial gallons?
We know (by definition) that: 1 drybarrel ≈ 25.4344114577582 imperialgallon.
We can set up a proportion to solve for the number of imperial gallons.
1 drybarrel / 20 drybarrel ≈ 25.4344114577582 imperialgallon / x imperialgallon
Now, we cross multiply to solve for our unknown x:
x imperialgallon ≈ (20 drybarrel / 1 drybarrel) * 25.4344114577582 imperialgallon → x imperialgallon ≈ 508.688229155164 imperialgallon
Conclusion:
20 drybarrel ≈ 508.688229155164 imperialgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 0.00196584065186807 times 20 US dry barrels.
It can also be expressed as: 20 US dry barrels is equal to 1 / 0.00196584065186807 imperial gallons.
Approximation
An approximate numerical result would be: twenty US dry barrels is about five hundred and eight point six eight imperial gallons, or alternatively, a imperial gallon is about zero times twenty 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.