508 US customary teaspoons in imperial gallons
Conversion
508 US customary teaspoons is equivalent to 0.550779278374383 imperial gallons.[1]
Conversion formula
How to convert 508 US customary teaspoons to imperial gallons?
We know (by definition) that:
We can set up a proportion to solve for the number of imperial gallons.
Now, we cross multiply to solve for our unknown :
Conclusion:

Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 1.81560933619632 times 508 US customary teaspoons.
It can also be expressed as: 508 US customary teaspoons is equal to imperial gallons.
Approximation
An approximate numerical result would be: five hundred and eight US customary teaspoons is about zero point five five imperial gallons, or alternatively, a imperial gallon is about one point eight two times five hundred and eight US customary teaspoons.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.