15 US gallons in US dry barrels

Conversion formula
How to convert 15 US gallons to US dry barrels?

We know (by definition) that: $1\mathrm{usgallon}\approx 0.0327380952380952\mathrm{drybarrel}$

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

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

Conclusion: 15 ⁢ usgallon ≈ 0.491071428571428 ⁢ drybarrel

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US dry barrel is equal to 2.03636363636364 times 15 US gallons.

It can also be expressed as: 15 US gallons is equal to $\frac{1}{\mathrm{2.03636363636364}}$ US dry barrels.

Approximation

An approximate numerical result would be: fifteen US gallons is about zero point four nine US dry barrels, or alternatively, a US dry barrel is about two point zero four times fifteen US gallons.