42 US gallons in US quarts

Conversion formula
How to convert 42 US gallons to US quarts?

We know (by definition) that: $1\mathrm{usgallon}\approx 4\mathrm{usquart}$

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: 42 ⁢ usgallon ≈ 168 ⁢ usquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US quart is equal to 0.00595238095238095 times 42 US gallons.

It can also be expressed as: 42 US gallons is equal to $\frac{1}{\mathrm{0.00595238095238095}}$ US quarts.

Approximation

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