About the pt to cup calculation
One pint is exactly 2 cups, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The US pint is 473 ml. A UK pint is larger at 568 ml, which trips people up constantly. The US legal cup is 240 ml; the customary cup used in recipes is 236.6 ml.
Formula
cup = pt × 2
1 pt = 2 cup
1 cup = 0.5 ptWorked example
To convert 1 pt, multiply by 2: 1 × 2 = 2 cup.
Frequently asked questions
How many cups are in a pint?
There are 2 cups in one pint. To convert any amount, multiply the number of pints by 2.
How do I convert cups back to pints?
Divide instead of multiplying, or equivalently multiply by 0.5. One cup is 0.5 pints.
Is this conversion exact?
Yes. Since the international agreement of 1959, the relationship between pints and cups is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.
Where is each of these units used?
Pints: the US pint is 473 ml. A UK pint is larger at 568 ml, which trips people up constantly. Cups: the US legal cup is 240 ml; the customary cup used in recipes is 236.6 ml.
Sources
- NIST Special Publication 811 — Guide for the Use of the International System of Units