A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
Gallon to Quart
Convert Gallon to Quart instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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A US liquid quart equals 2 US pints, or about 946.35 milliliters.
qt = gal × 4
Results update instantly for Gallon to Quart conversions.
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Formula
qt = gal × 4
gal = qt × 0.25
Conversion table
| 1 gal | 4 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 20 gal | 80 qt |
| 50 gal | 200 qt |
| 100 gal | 400 qt |
| 500 gal | 2000 qt |
| 1000 gal | 4000 qt |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the gallon (gal). A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
What is the destination unit in this conversion?
The destination unit is the quart (qt). A US liquid quart equals 2 US pints, or about 946.35 milliliters.
How do I convert gallon to quart?
Multiply the gallon value by 4. For example, 10 gal × 4 = 40 qt.
Is the gallon to quart conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert quart back to gallon?
Yes. Multiply the quart value by 0.25 to get gallon.
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About this conversion
This page converts gallon (gal) to quart (qt) within the cooking converter.
A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters. A US liquid quart equals 2 US pints, or about 946.35 milliliters.
The formula is qt = gal × 4, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common gallon values already converted to quart.