668 imperial gallons in dry gallons
Result
The conversion result is: 668 imperial gallons is equivalent to 689.413904650452 dry gallons.[1]
Conversion formula
How to convert 668 imperial gallons to dry gallons?
We know (by definition) that: 1 imperialgallon ≈ 1.0320567434887 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 imperialgallon / 668 imperialgallon ≈ 1.0320567434887 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (668 imperialgallon / 1 imperialgallon) * 1.0320567434887 drygallon → x drygallon ≈ 689.4139046504516 drygallon
Conclusion:
668 imperialgallon ≈ 689.4139046504516 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.0014505074429954 times 668 imperial gallons.
It can also be expressed as: 668 imperial gallons is equal to 1 / 0.0014505074429954 dry gallons.
Approximation
An approximate numerical result would be: six hundred and sixty-eight imperial gallons is about six hundred and eighty-nine point four zero dry gallons, or alternatively, a dry gallon is about zero times six hundred and sixty-eight 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.