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