--- title: "30 gal to cup = 480 cup" description: "30 US gallons is 480 US cups. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/30-gallons-to-cups/ site: "At One Place" --- # 30 gal to cup **30 US gallons in US cups: 30 gal = 480 cup** cup = gal × 16 30 US gallons is 480 US cups. To get there, multiply by 16. ## Values either side *US gallons near 30, converted to US cups.* | US gallons | US cups | | --- | --- | | 26 gal | 416 | | 27 gal | 432 | | 28 gal | 448 | | 29 gal | 464 | | 30 gal ← | 480 | | 32 gal | 512 | | 35 gal | 560 | | 36 gal | 576 | | 37 gal | 592 | ## How the conversion works The relationship is cup = gal × 16. 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 gallon: US liquid gallon. The imperial gallon is about 20% larger. > US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL. ## Common questions ### What is 30 gal in US cups? 30 gal is 480 cup. ### How do you convert US gallons to US cups? Multiply by 16. ## Related pages - [US gallons to US cups](https://atoneplace.net/convert/gallons-to-cups/) - [30 cup to gal](https://atoneplace.net/convert/30-cups-to-gallons/) - [26 gal to cup](https://atoneplace.net/convert/26-gallons-to-cups/) - [27 gal to cup](https://atoneplace.net/convert/27-gallons-to-cups/) - [28 gal to cup](https://atoneplace.net/convert/28-gallons-to-cups/) - [29 gal to cup](https://atoneplace.net/convert/29-gallons-to-cups/) - [32 gal to cup](https://atoneplace.net/convert/32-gallons-to-cups/) - [35 gal to cup](https://atoneplace.net/convert/35-gallons-to-cups/) - [36 gal to cup](https://atoneplace.net/convert/36-gallons-to-cups/) - [37 gal to cup](https://atoneplace.net/convert/37-gallons-to-cups/) ## 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/)