💧 Volume
US gallons to quarts Converter
Convert US gallons to quarts instantly with a reference conversion table.
Quick answer: To convert US gallons to quarts, multiply by 4. For example, 1 US gallons = 4 quarts. Use the calculator below for any value.
US gallons to quarts
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Common conversions
| US gallons | quarts |
|---|
Formula:
How to convert US gallons to quarts
1
Enter your value
Type the number of us gallons you want to convert into the left box. The result in quarts appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — quarts to US gallons. Your current value carries across so you don't have to re-enter anything.
3
About US gallons and quarts
US gallons and quarts are common volume measurements.
📊 Common conversions at a glance
| US gallons | quarts |
|---|---|
| 0.25 | 1 |
| 0.5 | 2 |
| 1 | 4 |
| 2 | 8 |
| 3 | 12 |
| 4 | 16 |
Reviewed for 2026. US gallons ↔ quarts conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.