4 US dry barrels in US gallons

Conversion formula
How to convert 4 US dry barrels to US gallons?

We know (by definition) that: $1\mathrm{drybarrel}\approx 30.5454545454545\mathrm{usgallon}$

We can set up a proportion to solve for the number of US gallons.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 4 ⁢ drybarrel ≈ 122.181818181818 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.00818452380952381 times 4 US dry barrels.

It can also be expressed as: 4 US dry barrels is equal to $\frac{1}{\mathrm{0.00818452380952381}}$ US gallons.

Approximation

An approximate numerical result would be: four US dry barrels is about one hundred and twenty-two point one eight US gallons, or alternatively, a US gallon is about zero point zero one times four US dry barrels.