--- title: "100 cup to qt = 25 qt" description: "100 US cups is 25 US quarts. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/100-cups-to-quarts/ site: "At One Place" --- # 100 cup to qt **100 US cups in US quarts: 100 cup = 25 qt** qt = cup × 1/4 100 US cups is 25 US quarts. To get there, multiply by 0.25. ## Values either side *US cups near 100, converted to US quarts.* | US cups | US quarts | | --- | --- | | 80 cup | 20 | | 85 cup | 21.25 | | 90 cup | 22.5 | | 95 cup | 23.75 | | 100 cup ← | 25 | | 110 cup | 27.5 | | 120 cup | 30 | | 125 cup | 31.25 | | 150 cup | 37.5 | ## How the conversion works The relationship is qt = cup × 1/4. 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 100 cup in US quarts? 100 cup is 25 qt. ### How do you convert US cups to US quarts? Multiply by 0.25. ## Related pages - [US cups to US quarts](https://atoneplace.net/convert/cups-to-quarts/) - [100 qt to cup](https://atoneplace.net/convert/100-quarts-to-cups/) - [80 cup to qt](https://atoneplace.net/convert/80-cups-to-quarts/) - [85 cup to qt](https://atoneplace.net/convert/85-cups-to-quarts/) - [90 cup to qt](https://atoneplace.net/convert/90-cups-to-quarts/) - [95 cup to qt](https://atoneplace.net/convert/95-cups-to-quarts/) - [110 cup to qt](https://atoneplace.net/convert/110-cups-to-quarts/) - [120 cup to qt](https://atoneplace.net/convert/120-cups-to-quarts/) - [125 cup to qt](https://atoneplace.net/convert/125-cups-to-quarts/) - [150 cup to qt](https://atoneplace.net/convert/150-cups-to-quarts/) ## 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/)