How to convert 658 US dry barrels to US gallons?
We know (by definition) that:
We can set up a proportion to solve for the number of US gallons.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 4.97539441308438e-05 times 658 US dry barrels.
It can also be expressed as: 658 US dry barrels is equal to US gallons.
An approximate numerical result would be: six hundred and fifty-eight US dry barrels is about twenty thousand and ninety-eight point nine zero US gallons, or alternatively, a US gallon is about zero times six hundred and fifty-eight US dry barrels.
 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.