How to convert 805 US gallons 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 0.00149186326149671 times 805 US gallons.
It can also be expressed as: 805 US gallons is equal to imperial gallons.
An approximate numerical result would be: eight hundred and five US gallons is about six hundred and seventy point two nine imperial gallons, or alternatively, a imperial gallon is about zero times eight hundred and five US gallons.
 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.