Conversion formula

The conversion factor from pints to cups is 2, which means that 1 pint is equal to 2 cups:

1 pt = 2 cup

To convert 640 pints into cups we have to multiply 640 by the conversion factor in order to get the volume amount from pints to cups. We can also form a simple proportion to calculate the result:

1 pt → 2 cup

640 pt → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 640 pt × 2 cup

V_(cup) = 1280 cup

The final result is:

640 pt → 1280 cup

We conclude that 640 pints is equivalent to 1280 cups:

640 pints = 1280 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.00078125 × 640 pints.

Another way is saying that 640 pints is equal to 1 ÷ 0.00078125 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty pints is approximately one thousand two hundred eighty cups:

640 pt ≅ 1280 cup

An alternative is also that one cup is approximately zero point zero zero one times six hundred forty pints.

Conversion table

pints to cups chart

For quick reference purposes, below is the conversion table you can use to convert from pints to cups