138 dry gallons in US quarts

Conversion formula
How to convert 138 dry gallons to US quarts?

We know (by definition) that: $1\mathrm{drygallon}\approx 4.65458874458874\mathrm{usquart}$

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

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

Conclusion: 138 ⁢ drygallon ≈ 642.3332467532462 ⁢ usquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US quart is equal to 0.00155682428872338 times 138 dry gallons.

It can also be expressed as: 138 dry gallons is equal to $\frac{1}{\mathrm{0.00155682428872338}}$ US quarts.

Approximation

An approximate numerical result would be: one hundred and thirty-eight dry gallons is about six hundred and forty-two point three three US quarts, or alternatively, a US quart is about zero times one hundred and thirty-eight dry gallons.