Convert Quarts (US) to Gallons (US)
One quart (US) equals 0.25 gallons (us). Type any value to convert quarts (us) to gallons (us) instantly — with a full reference table below.
Convert Quarts (US) to Gallons (US)
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How to convert Quarts (US) to Gallons (US)
To convert quarts (us) to gallons (us), multiply by 0.25. One quart (US) equals 0.25 gal, and one gallon (US) equals 4 qt.
- Take the value in quarts (us) — for example 7.5 qt.
- Multiply by 0.25 (the number of gallons (us) in one quart (US)).
- 7.5 × 0.25 = 1.875 gal.
Quick mental estimate: Divide the number of quarts (us) by 4 — that is exact.
Quarts (US) to Gallons (US) conversion table
| Quarts (US) | Gallons (US) |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 4 qt | 1 gal |
| 5 qt | 1.25 gal |
| 6 qt | 1.5 gal |
| 8 qt | 2 gal |
| 10 qt | 2.5 gal |
| 12 qt | 3 gal |
| 16 qt | 4 gal |
| 20 qt | 5 gal |
| 24 qt | 6 gal |
| 32 qt | 8 gal |
| 50 qt | 12.5 gal |
| 100 qt | 25 gal |
| Gallons (US) | Quarts (US) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 3 gal | 12 qt |
| 4 gal | 16 qt |
| 5 gal | 20 qt |
| 6 gal | 24 qt |
| 8 gal | 32 qt |
| 10 gal | 40 qt |
| 12 gal | 48 qt |
| 16 gal | 64 qt |
| 20 gal | 80 qt |
| 24 gal | 96 qt |
| 32 gal | 128 qt |
| 50 gal | 200 qt |
| 100 gal | 400 qt |
About converting Quarts (US) to Gallons (US)
Quarts (US) (qt) and Gallons (US) (gal) are both units of volume. The exact factor is 1 qt = 0.25 gal, so multiply by 0.25 to go from quarts (us) to gallons (us) (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Gallons (US) to Quarts (US) converter, or the full unit converter for every unit at once.
Real-world volume in quarts (us) and gallons (us)
| Example | Quarts (US) | Gallons (US) |
|---|---|---|
| A US soda can (12 fl oz) | 0.375 qt | 0.09375 gal |
| A wine bottle | 0.792516 qt | 0.198129 gal |
| A US gallon of milk | 4 qt | 1 gal |
| A typical car fuel tank | ≈ 52.83441 qt | ≈ 13.2086 gal |
| A typical bathtub | ≈ 158.5032 qt | ≈ 39.62581 gal |
“≈” marks typical values; the rest are defined or measured figures.
The units
A quarter of a US gallon, exactly 0.946352946 L.
Used for: US cooking, motor oil and ice cream.
The US liquid gallon: 231 cubic inches, exactly 3.785411784 L. (The UK imperial gallon is larger: 4.54609 L.)
Used for: US fuel and milk.
US customary volumes are exact by definition: the US gallon is 231 cubic inches, which is exactly 3.785411784 litres.