815 imperial gallons in US gallons

Result

The conversion result is: 815 imperial gallons is equivalent to 978.774189286457 US gallons.[1]

Conversion formula
How to convert 815 imperial gallons to US gallons?

We know (by definition) that: 1 imperialgallon ≈ 1.20094992550486 usgallon.

We can set up a proportion to solve for the number of US gallons.

1 imperialgallon / 815 imperialgallon ≈ 1.20094992550486 usgallon / x usgallon

Now, we cross multiply to solve for our unknown x:

x usgallon ≈ (815 imperialgallon / 1 imperialgallon) * 1.20094992550486 usgallon → x usgallon ≈ 978.7741892864608 usgallon

Conclusion:

815 imperialgallon ≈ 978.7741892864608 usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.00102168611610919 times 815 imperial gallons.

It can also be expressed as: 815 imperial gallons is equal to 1 / 0.00102168611610919 US gallons.

Approximation

An approximate numerical result would be: eight hundred and fifteen imperial gallons is about nine hundred and seventy-eight point seven six US gallons, or alternatively, a US gallon is about zero times eight hundred and fifteen imperial 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.