How to convert 815 metric 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 :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 1.11560490797546 times 815 metric teaspoons.
It can also be expressed as: 815 metric teaspoons is equal to imperial gallons.
An approximate numerical result would be: eight hundred and fifteen metric teaspoons is about zero point nine zero imperial gallons, or alternatively, a imperial gallon is about one point one two times eight hundred and fifteen metric teaspoons.
 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.