Unit Converter
Conversion formula
The conversion factor from cups to gallons is 0.0625, which means that 1 cup is equal to 0.0625 gallons:
1 cup = 0.0625 gal
To convert 640 cups into gallons we have to multiply 640 by the conversion factor in order to get the volume amount from cups to gallons. We can also form a simple proportion to calculate the result:
1 cup → 0.0625 gal
640 cup → V(gal)
Solve the above proportion to obtain the volume V in gallons:
V(gal) = 640 cup × 0.0625 gal
V(gal) = 40 gal
The final result is:
640 cup → 40 gal
We conclude that 640 cups is equivalent to 40 gallons:
640 cups = 40 gallons
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.025 × 640 cups.
Another way is saying that 640 cups is equal to 1 ÷ 0.025 gallons.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty cups is approximately forty gallons:
640 cup ≅ 40 gal
An alternative is also that one gallon is approximately zero point zero two five times six hundred forty cups.
Conversion table
cups to gallons chart
For quick reference purposes, below is the conversion table you can use to convert from cups to gallons
cups (cup) | gallons (gal) |
---|---|
641 cups | 40.063 gallons |
642 cups | 40.125 gallons |
643 cups | 40.188 gallons |
644 cups | 40.25 gallons |
645 cups | 40.313 gallons |
646 cups | 40.375 gallons |
647 cups | 40.438 gallons |
648 cups | 40.5 gallons |
649 cups | 40.563 gallons |
650 cups | 40.625 gallons |