--- title: "5 qt to gal = 1.25 gal" description: "5 US quarts is 1.25 US gallons. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/5-quarts-to-gallons/ site: "At One Place" --- # 5 qt to gal **5 US quarts in US gallons: 5 qt = 1.25 gal** gal = qt × 1/4 5 US quarts is 1.25 US gallons. To get there, multiply by 0.25. ## Values either side *US quarts near 5, converted to US gallons.* | US quarts | US gallons | | --- | --- | | 2 qt | 0.5 | | 2.5 qt | 0.625 | | 3 qt | 0.75 | | 4 qt | 1 | | 5 qt ← | 1.25 | | 6 qt | 1.5 | | 7 qt | 1.75 | | 8 qt | 2 | | 9 qt | 2.25 | ## 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 5 qt in US gallons? 5 qt is 1.25 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/) - [5 gal to qt](https://atoneplace.net/convert/5-gallons-to-quarts/) - [2 qt to gal](https://atoneplace.net/convert/2-quarts-to-gallons/) - [2.5 qt to gal](https://atoneplace.net/convert/2-5-quarts-to-gallons/) - [3 qt to gal](https://atoneplace.net/convert/3-quarts-to-gallons/) - [4 qt to gal](https://atoneplace.net/convert/4-quarts-to-gallons/) - [6 qt to gal](https://atoneplace.net/convert/6-quarts-to-gallons/) - [7 qt to gal](https://atoneplace.net/convert/7-quarts-to-gallons/) - [8 qt to gal](https://atoneplace.net/convert/8-quarts-to-gallons/) - [9 qt to gal](https://atoneplace.net/convert/9-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/)