Gallons to Quarts
Convert Gallons to Quarts with an exact factor. One gallon equals 4 Quarts.
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How to convert Gallons to Quarts
The converter above changes Gallons into Quarts instantly. As a reference point, one gallon corresponds to 4 Quarts, and one quart corresponds to 0.25 Gallons. Use the table below for common values.
Gallons × 4 = Quarts
For example, 5 Gallons = 20 Quarts.
About the units
- Gallons (gal) — A US gallon, 3.785 litres (four quarts).
- Quarts (qt) — A US quart, about 946 mL (two pints).
Gallons to Quarts conversion table
| Gallons | Quarts |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 3 gal | 12 qt |
| 4 gal | 16 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 15 gal | 60 qt |
| 20 gal | 80 qt |
| 25 gal | 100 qt |
| 50 gal | 200 qt |
| 100 gal | 400 qt |
| 500 gal | 2,000 qt |
Quarts to Gallons conversion table
| Quarts | Gallons |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 4 qt | 1 gal |
| 5 qt | 1.25 gal |
| 10 qt | 2.5 gal |
| 15 qt | 3.75 gal |
| 20 qt | 5 gal |
| 25 qt | 6.25 gal |
| 50 qt | 12.5 gal |
| 100 qt | 25 gal |
| 500 qt | 125 gal |
Frequently asked questions
How many Quarts is one gallon?
One gallon is 4 Quarts.
Are these volume conversions accurate?
Yes. They use the exact standard unit definitions, so results are accurate to the number of decimals shown.
What is the formula to convert Gallons to Quarts?
Multiply the number of Gallons by 4. To convert back, multiply Quarts by 0.25.
This tool is provided for general information only. Verify important figures independently. · Last reviewed: August 25, 2026