644 imperial cups in dry gallons
Result
The conversion result is: 644 imperial cups is equivalent to 41.5402839254202 dry gallons.[1]
Conversion formula
How to convert 644 imperial cups to dry gallons?
We know (by definition) that: 1 brcup ≈ 0.0645035464680438 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 brcup / 644 brcup ≈ 0.0645035464680438 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (644 brcup / 1 brcup) * 0.0645035464680438 drygallon → x drygallon ≈ 41.540283925420205 drygallon
Conclusion:
644 brcup ≈ 41.540283925420205 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.0240730179359236 times 644 imperial cups.
It can also be expressed as: 644 imperial cups is equal to 1 / 0.0240730179359236 dry gallons.
Approximation
An approximate numerical result would be: six hundred and forty-four imperial cups is about forty-one point five three dry gallons, or alternatively, a dry gallon is about zero point zero two times six hundred and forty-four imperial cups.
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.