686 dry gallons in imperial gallons
Result
The conversion result is: 686 dry gallons is equivalent to 664.692134737755 imperial gallons.[1]
Conversion formula
How to convert 686 dry gallons to imperial gallons?
We know (by definition) that: 1 drygallon ≈ 0.968938971920925 imperialgallon.
We can set up a proportion to solve for the number of imperial gallons.
1 drygallon / 686 drygallon ≈ 0.968938971920925 imperialgallon / x imperialgallon
Now, we cross multiply to solve for our unknown x:
x imperialgallon ≈ (686 drygallon / 1 drygallon) * 0.968938971920925 imperialgallon → x imperialgallon ≈ 664.6921347377546 imperialgallon
Conclusion:
686 drygallon ≈ 664.6921347377546 imperialgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 0.0015044558942984 times 686 dry gallons.
It can also be expressed as: 686 dry gallons is equal to 1 / 0.0015044558942984 imperial gallons.
Approximation
An approximate numerical result would be: six hundred and eighty-six dry gallons is about six hundred and sixty-four point six nine imperial gallons, or alternatively, a imperial gallon is about zero times six hundred and eighty-six dry 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.