521 imperial gallons in US gallons

Result

The conversion result is: 521 imperial gallons is equivalent to 625.69491118803 US gallons.[1]

Conversion formula
How to convert 521 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 / 521 imperialgallon ≈ 1.20094992550486 usgallon / x usgallon

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

x usgallon ≈ (521 imperialgallon / 1 imperialgallon) * 1.20094992550486 usgallon → x usgallon ≈ 625.694911188032 usgallon

Conclusion:

521 imperialgallon ≈ 625.694911188032 usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.00159822300312666 times 521 imperial gallons.

It can also be expressed as: 521 imperial gallons is equal to 1 / 0.00159822300312666 US gallons.

Approximation

An approximate numerical result would be: five hundred and twenty-one imperial gallons is about six hundred and twenty-five point six nine US gallons, or alternatively, a US gallon is about zero times five hundred and twenty-one 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.