331 US gallons in US customary teaspoons
Result
The conversion result is: 331 US gallons is equivalent to 254208 US customary teaspoons.[1]
Conversion formula
How to convert 331 US gallons to US customary teaspoons?
We know (by definition) that: 1 usgallon ≈ 768 usteaspoon.
We can set up a proportion to solve for the number of US customary teaspoons.
1 usgallon / 331 usgallon ≈ 768 usteaspoon / x usteaspoon
Now, we cross multiply to solve for our unknown x:
x usteaspoon ≈ (331 usgallon / 1 usgallon) * 768 usteaspoon → x usteaspoon ≈ 254208 usteaspoon
Conclusion:
331 usgallon ≈ 254208 usteaspoon

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary teaspoon is equal to 3.93378650553877e-06 times 331 US gallons.
It can also be expressed as: 331 US gallons is equal to 1 / 3.93378650553877e-06 US customary teaspoons.
Approximation
An approximate numerical result would be: three hundred and thirty-one US gallons is about two hundred and fifty-four thousand, two hundred and eight US customary teaspoons, or alternatively, a US customary teaspoon is about zero times three hundred and thirty-one US gallons.
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.