--- title: "18 cup to pt = 9 pt" description: "18 US cups is 9 US pints. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/18-cups-to-pints/ site: "At One Place" --- # 18 cup to pt **18 US cups in US pints: 18 cup = 9 pt** pt = cup × 1/2 18 US cups is 9 US pints. To get there, multiply by 0.5. ## Values either side *US cups near 18, converted to US pints.* | US cups | US pints | | --- | --- | | 14 cup | 7 | | 15 cup | 7.5 | | 16 cup | 8 | | 17 cup | 8.5 | | 18 cup ← | 9 | | 19 cup | 9.5 | | 20 cup | 10 | | 21 cup | 10.5 | | 22 cup | 11 | ## How the conversion works The relationship is pt = cup × 1/2. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two. > US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL. ## Common questions ### What is 18 cup in US pints? 18 cup is 9 pt. ### How do you convert US cups to US pints? Multiply by 0.5. ## Related pages - [US cups to US pints](https://atoneplace.net/convert/cups-to-pints/) - [18 pt to cup](https://atoneplace.net/convert/18-pints-to-cups/) - [14 cup to pt](https://atoneplace.net/convert/14-cups-to-pints/) - [15 cup to pt](https://atoneplace.net/convert/15-cups-to-pints/) - [16 cup to pt](https://atoneplace.net/convert/16-cups-to-pints/) - [17 cup to pt](https://atoneplace.net/convert/17-cups-to-pints/) - [19 cup to pt](https://atoneplace.net/convert/19-cups-to-pints/) - [20 cup to pt](https://atoneplace.net/convert/20-cups-to-pints/) - [21 cup to pt](https://atoneplace.net/convert/21-cups-to-pints/) - [22 cup to pt](https://atoneplace.net/convert/22-cups-to-pints/) ## Sources - Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)] - The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure) - Calculated on this page — At One Place (/about/)