Quarts to Gallon Converter
Convert quarts to gallons for cooking, baking, and liquid measurements.
The word "quart" comes from Latin "quartus" meaning fourth
Conversion Result
📐 Conversion Formulas
US and Imperial (same ratio):
Important Note:
Both US and Imperial systems use the same ratio: 4 quarts = 1 gallon. However, the absolute volumes differ significantly:
- 1 US gallon = 3,785.41 mL (1 US quart = 946.35 mL)
- 1 Imperial gallon = 4,546.09 mL (1 Imp quart = 1,136.52 mL)
- The Imperial gallon is about 20% larger
📝 Step-by-Step Calculation
Enter a value and convert to see the step-by-step breakdown.
Understanding Quarts and Gallons
The "Quart" Etymology
The word "quart" comes from the Latin "quartus" meaning "fourth." A quart is exactly one-fourth of a gallon in both US and Imperial systems. This makes the conversion straightforward: divide quarts by 4 to get gallons.
US vs Imperial: Same Ratio, Different Volumes
While both systems maintain the 4 quarts = 1 gallon relationship, they define the base units differently:
- 1 US quart = 946.35 mL = 32 US fluid ounces
- 1 Imperial quart = 1,136.52 mL = 40 Imperial fluid ounces
- The Imperial quart is 20% larger than the US quart
Complete Hierarchy
The US customary liquid volume system:
- 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces
- 1 quart = 2 pints = 4 cups = 32 fluid ounces
Quick Reference Table
Common quarts to gallons conversions:
| US Quarts | US Gallons | Pints | Cups | Liters |
|---|---|---|---|---|
| 1 | 0.25 | 2 | 4 | 0.95 |
| 2 | 0.5 | 4 | 8 | 1.89 |
| 4 | 1 | 8 | 16 | 3.79 |
| 6 | 1.5 | 12 | 24 | 5.68 |
| 8 | 2 | 16 | 32 | 7.57 |
| 12 | 3 | 24 | 48 | 11.36 |
| 16 | 4 | 32 | 64 | 15.14 |
Frequently Asked Questions
There are exactly 4 quarts in 1 gallon. This is true for both US and Imperial systems. The word "quart" literally means "fourth" (one-fourth of a gallon).
Divide the number of quarts by 4. For example: 8 quarts ÷ 4 = 2 gallons. This works for both US and Imperial systems.
A US gallon is 3,785 mL, while an Imperial gallon is 4,546 mL—about 20% larger. Both use the 4 quarts = 1 gallon ratio, but their quarts are also proportionally different in size.
Half a gallon is 2 quarts. You can also express this as 4 pints or 8 cups.
By definition and etymology: "quart" comes from Latin "quartus" meaning "fourth." The quart was specifically designed to be exactly one-fourth of a gallon.
Since 1 Imperial quart = 1,136.52 mL and 1 US gallon = 3,785.41 mL: multiply Imperial quarts by 1,136.52 and divide by 3,785.41. Or simply: Imperial quarts × 0.300 ≈ US gallons.
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