--- title: "500 qt to gal = 125 gal" description: "500 US quarts is 125 US gallons. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/500-quarts-to-gallons/ site: "At One Place" --- # 500 qt to gal **500 US quarts in US gallons: 500 qt = 125 gal** gal = qt × 1/4 500 US quarts is 125 US gallons. To get there, multiply by 0.25. ## Values either side *US quarts near 500, converted to US gallons.* | US quarts | US gallons | | --- | --- | | 250 qt | 62.5 | | 300 qt | 75 | | 350 qt | 87.5 | | 400 qt | 100 | | 500 qt ← | 125 | | 750 qt | 187.5 | | 1,000 qt | 250 | ## How the conversion works The relationship is gal = qt × 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 gallon: US liquid gallon. The imperial gallon is about 20% larger. ## Common questions ### What is 500 qt in US gallons? 500 qt is 125 gal. ### How do you convert US quarts to US gallons? Multiply by 0.25. ## Related pages - [US quarts to US gallons](https://atoneplace.net/convert/quarts-to-gallons/) - [500 gal to qt](https://atoneplace.net/convert/500-gallons-to-quarts/) - [250 qt to gal](https://atoneplace.net/convert/250-quarts-to-gallons/) - [300 qt to gal](https://atoneplace.net/convert/300-quarts-to-gallons/) - [350 qt to gal](https://atoneplace.net/convert/350-quarts-to-gallons/) - [400 qt to gal](https://atoneplace.net/convert/400-quarts-to-gallons/) - [750 qt to gal](https://atoneplace.net/convert/750-quarts-to-gallons/) - [1,000 qt to gal](https://atoneplace.net/convert/1000-quarts-to-gallons/) ## 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/)