438 US customary teaspoons in US gallons

Conversion formula
How to convert 438 US customary teaspoons to US gallons?

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.00130208333333333\mathrm{usgallon}$

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: 438 ⁢ usteaspoon ≈ 0.5703124999999986 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 1.75342465753425 times 438 US customary teaspoons.

It can also be expressed as: 438 US customary teaspoons is equal to $\frac{1}{\mathrm{1.75342465753425}}$ US gallons.

Approximation

An approximate numerical result would be: four hundred and thirty-eight US customary teaspoons is about zero point five six US gallons, or alternatively, a US gallon is about one point seven five times four hundred and thirty-eight US customary teaspoons.