433 dry gallons in imperial gallons
Result
The conversion result is: 433 dry gallons is equivalent to 419.550574841761 imperial gallons.[1]
Conversion formula
How to convert 433 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 / 433 drygallon ≈ 0.968938971920925 imperialgallon / x imperialgallon
Now, we cross multiply to solve for our unknown x:
x imperialgallon ≈ (433 drygallon / 1 drygallon) * 0.968938971920925 imperialgallon → x imperialgallon ≈ 419.5505748417605 imperialgallon
Conclusion:
433 drygallon ≈ 419.5505748417605 imperialgallon

Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 0.00238350287179839 times 433 dry gallons.
It can also be expressed as: 433 dry gallons is equal to 1 / 0.00238350287179839 imperial gallons.
Approximation
An approximate numerical result would be: four hundred and thirty-three dry gallons is about four hundred and nineteen point five five imperial gallons, or alternatively, a imperial gallon is about zero times four hundred and thirty-three 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.