How to convert 646 imperial gallons to imperial cups?
We know (by definition) that:
We can set up a proportion to solve for the number of imperial cups.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial cup is equal to 9.67492260061919e-05 times 646 imperial gallons.
It can also be expressed as: 646 imperial gallons is equal to imperial cups.
An approximate numerical result would be: six hundred and forty-six imperial gallons is about ten thousand, three hundred and thirty-six imperial cups, or alternatively, a imperial cup is about zero times six hundred and forty-six imperial gallons.
 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.