--- title: "85 cup to fl oz = 680 fl oz" description: "85 US cups is 680 US fluid ounces. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/85-cups-to-fl-oz/ site: "At One Place" --- # 85 cup to fl oz **85 US cups in US fluid ounces: 85 cup = 680 fl oz** fl oz = cup × 8 85 US cups is 680 US fluid ounces. To get there, multiply by 8. ## Values either side *US cups near 85, converted to US fluid ounces.* | US cups | US fluid ounces | | --- | --- | | 65 cup | 520 | | 70 cup | 560 | | 75 cup | 600 | | 80 cup | 640 | | 85 cup ← | 680 | | 90 cup | 720 | | 95 cup | 760 | | 100 cup | 800 | | 110 cup | 880 | ## How the conversion works The relationship is fl oz = cup × 8. 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 85 cup in US fluid ounces? 85 cup is 680 fl oz. ### How do you convert US cups to US fluid ounces? Multiply by 8. ## Related pages - [US cups to US fluid ounces](https://atoneplace.net/convert/cups-to-fl-oz/) - [85 fl oz to cup](https://atoneplace.net/convert/85-fl-oz-to-cups/) - [65 cup to fl oz](https://atoneplace.net/convert/65-cups-to-fl-oz/) - [70 cup to fl oz](https://atoneplace.net/convert/70-cups-to-fl-oz/) - [75 cup to fl oz](https://atoneplace.net/convert/75-cups-to-fl-oz/) - [80 cup to fl oz](https://atoneplace.net/convert/80-cups-to-fl-oz/) - [90 cup to fl oz](https://atoneplace.net/convert/90-cups-to-fl-oz/) - [95 cup to fl oz](https://atoneplace.net/convert/95-cups-to-fl-oz/) - [100 cup to fl oz](https://atoneplace.net/convert/100-cups-to-fl-oz/) - [110 cup to fl oz](https://atoneplace.net/convert/110-cups-to-fl-oz/) ## 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/)