660 US customary teaspoons in dry gallons
Result
The conversion result is: 660 US customary teaspoons is equivalent to 0.738518521963151 dry gallons.[1]
Conversion formula
How to convert 660 US customary teaspoons to dry gallons?
We know (by definition) that: 1 usteaspoon ≈ 0.00111896745751993 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 usteaspoon / 660 usteaspoon ≈ 0.00111896745751993 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (660 usteaspoon / 1 usteaspoon) * 0.00111896745751993 drygallon → x drygallon ≈ 0.7385185219631537 drygallon
Conclusion:
660 usteaspoon ≈ 0.7385185219631537 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 1.354062180244 times 660 US customary teaspoons.
It can also be expressed as: 660 US customary teaspoons is equal to 1 / 1.354062180244 dry gallons.
Approximation
An approximate numerical result would be: six hundred and sixty US customary teaspoons is about zero point seven four dry gallons, or alternatively, a dry gallon is about one point three five times six hundred and sixty 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.