690 US gallons in imperial gallons
Conversion
690 US gallons is equivalent to 574.545187394002 imperial gallons.[1]
Conversion formula
How to convert 690 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 :
Conclusion:
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 0.00174050713841283 times 690 US gallons.
It can also be expressed as: 690 US gallons is equal to imperial gallons.
Approximation
An approximate numerical result would be: six hundred and ninety US gallons is about five hundred and seventy-four point five four imperial gallons, or alternatively, a imperial gallon is about zero times six hundred and ninety US 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.