How to convert 519 imperial gallons to US gallons?
We know (by definition) that:
We can set up a proportion to solve for the number of US gallons.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 0.00160438185863004 times 519 imperial gallons.
It can also be expressed as: 519 imperial gallons is equal to US gallons.
An approximate numerical result would be: five hundred and nineteen imperial gallons is about six hundred and twenty-three point two eight US gallons, or alternatively, a US gallon is about zero times five hundred and nineteen imperial 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.