438 US customary teaspoons in imperial gallons

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

We know (by definition) that: $1\mathrm{usteaspoon}\approx 0.00108421117790233\mathrm{imperialgallon}$

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

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

Conclusion: 438 ⁢ usteaspoon ≈ 0.47488449592122056 ⁢ imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 2.10577521184413 times 438 US customary teaspoons.

It can also be expressed as: 438 US customary teaspoons is equal to $\frac{1}{\mathrm{2.10577521184413}}$ imperial gallons.

Approximation

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