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Convert quarts to US gallons. Chart, formula, and reverse direction.
A US quart is exactly 1/4 of a US gallon. To convert quarts to gallons, divide by 4; to convert gallons to quarts, multiply by 4.
1 qt equals 0.2500 gal.
| Quarts (qt) | Gallons (gal) |
|---|---|
| 1 qt | 0.2500 gal |
| 2 qt | 0.5000 gal |
| 3 qt | 0.7500 gal |
| 4 qt | 1.000 gal |
| 5 qt | 1.250 gal |
| 6 qt | 1.500 gal |
| 7 qt | 1.750 gal |
| 8 qt | 2.000 gal |
| 10 qt | 2.500 gal |
| 12 qt | 3.000 gal |
| 16 qt | 4.000 gal |
| 20 qt | 5.000 gal |
| 24 qt | 6.000 gal |
| 32 qt | 8.000 gal |
| 40 qt | 10.000 gal |
| 50 qt | 12.500 gal |
| 100 qt | 25.000 gal |
Chart values use the exact US relationship 1 gallon = 4 quarts.
Formula
gal = qt ÷ 4 | qt = gal × 4qt = US liquid quart — US volume unit (1 qt = 32 fl oz = 0.9464 L)
gal = US liquid gallon — US volume unit (1 gal = 4 qt = 128 fl oz = 3.7854 L)
Worked Example
Convert 10 quarts to gallons
Did you know? The word 'quart' comes from the Latin quartus — 'a fourth' — because a quart is one-fourth of a gallon. The US gallon and UK Imperial gallon differ in size (≈3.785 L vs ≈4.546 L), so their quarts differ too.
Sources
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