US Gallons to US Quarts Converter
1 US gallon = 4 US quarts
About 17% smaller than the imperial gallon used in the UK.
1 US gallon equals 4 US quarts
How to convert US gallons to US quarts
Choose the named US, Imperial or metric unit before converting a recipe or container size. A US liquid gallon is 3.785411784 L; an Imperial gallon is 4.54609 L. Volume alone cannot give ingredient mass without density.
qt = gal × 4One US gallon is 4 US quarts, so a single multiplication converts any value.
40 qt = 10 × 4About 17% smaller than the imperial gallon used in the UK.
US gallons to US quarts conversion table
Common values in US gallons, converted to US quarts.
| US gallons (gal) | US quarts (qt) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 12 |
| 4 | 16 |
| 5 | 20 |
| 10 | 40 |
| 20 | 80 |
| 25 | 100 |
| 50 | 200 |
| 100 | 400 |
| 250 | 1,000 |
| 500 | 2,000 |
| 1,000 | 4,000 |
About these units
US gallongal
The US liquid gallon: exactly 231 cubic inches, or 3.785411784 litres.
US quartqt
One quarter of a US gallon, or 2 US pints.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.