To convert pints to cups (pt to cup), multiply by 2. 1 pint equals 2 cup, about 1.3 times as much as a soft-drink can.
| pints | cups |
|---|---|
| 1 pint | 2 cup |
| 2 pints | 4 cup |
| 5 pints | 10 cup |
| 10 pints | 20 cup |
| 25 pints | 50 cup |
| 50 pints | 100 cup |
| 100 pints | 200 cup |
| 250 pints | 500 cup |
| 500 pints | 1,000 cup |
| 1000 pints | 2,000 cup |
The factor is 2.00000, which is derived rather than defined, so any decimal you see has been rounded somewhere.
For mental arithmetic the factor is close enough to 2 to use directly: multiply pints by 2 and the answer is right to within a rounding error.
The reverse factor is 0.5, so one cup is that many pints. Two decimal places is plenty for most purposes, and three is more than a tape measure can justify.
To anchor the scale: 1 pint is about 2 cup.