US Gallon to US Quart Conversion Chart
| US Gallon (gallon) | US Quart (quart) | Reference Benchmark | Formula Step |
|---|---|---|---|
| 0.25 gallon | 1 quart | One-US-Quart Culinary Saucepan Measurement Volume | 0.25 × 4 = 1 qt-us |
| 0.5 gallon | 2 quart | Two-US-Quart Pitcher Domestic Beverage Vessel | 0.5 × 4 = 2 qt-us |
| 0.75 gallon | 3 quart | Three-Quart Heavy Enamel Kitchen Dutch Oven | 0.75 × 4 = 3 qt-us |
| 1 gallon | 4 quart | Standard One-Gallon Whole Milk Polyethylene Jug | 1 × 4 = 4 qt-us |
| 1.25 gallon | 5 quart | Five-Quart Automotive Oil Sump Service Capacity | 1.25 × 4 = 5 qt-us |
| 1.5 gallon | 6 quart | Six-Quart Electric Multi-Cooker Pressure Vessel | 1.5 × 4 = 6 qt-us |
| 2 gallon | 8 quart | Two-Gallon Garden Fertilizer Hand-Pump Jug | 2 × 4 = 8 qt-us |
| 2.5 gallon | 10 quart | Two-and-a-Half-Gallon Emergency Drinking Water Jug | 2.5 × 4 = 10 qt-us |
| 3 gallon | 12 quart | Three-Gallon Commercial Countertop Beverage Urn | 3 × 4 = 12 qt-us |
| 4 gallon | 16 quart | Four-Gallon Agricultural Backpack Spraying System | 4 × 4 = 16 qt-us |
| 5 gallon | 20 quart | Standard Five-Gallon Construction Joint Compound Pail | 5 × 4 = 20 qt-us |
| 8 gallon | 32 quart | Eight-Gallon Commercial Wet-Vacuum Recovery Tank | 8 × 4 = 32 qt-us |
| 10 gallon | 40 quart | Ten-Gallon Residential Aquarium Water Volume Tank | 10 × 4 = 40 qt-us |
| 15 gallon | 60 quart | Fifteen-Gallon Compact Sedan Fuel Storage Tank | 15 × 4 = 60 qt-us |
| 55 gallon | 220 quart | Standard Fifty-Five-Gallon Industrial Lubricant Drum | 55 × 4 = 220 qt-us |
US Gallon to US Quart Formula & Unit Definitions
One US liquid gallon equals exactly 4 US liquid quarts (1 gal = 4 qt). To convert US gallons to US quarts, multiply by 4. Conversely, to convert US quarts to US gallons, divide by 4 (or multiply by 0.25).
Quick Estimation: Remember that a quart is a "quarter" gallon. Multiply gallons by 4 to get quarts instantly. For example, 3 gallons equals 12 quarts.
US Liquid Gallon Scale (gal)
US Statutory Liquid Unit- Creator & Origin: Derived from the Queen Anne wine gallon established in England in 1707.
- Standard Definition: Defined by NIST as exactly 231 cubic inches (3.785411784 liters).
- Everyday Focus: Gasoline dispensing, dairy milk jugs, paint buckets, and chemical drums.
US Liquid Quart Scale (qt)
US Statutory Liquid Unit- Creator & Origin: Originating as a quarter-gallon measure in medieval English commerce.
- Standard Definition: Standardized by NIST as exactly 57.75 cubic inches (946.352946 mL).
- Everyday Focus: Motor oil bottles, restaurant broth containers, and ice cream tubs.
Frequently Asked Questions
Q.How many US quarts are in one US liquid gallon?
There are exactly 4 US liquid quarts in one US liquid gallon (1 gal = 4 qt).
Q.What is the formula to convert US gallons to US quarts?
The formula is: US Quarts = US Gallons × 4. For example, 2.5 gal × 4 = 10 qt.
Q.How do I reverse this calculation from US quarts to US gallons?
To convert US quarts back to US gallons, divide by 4 (or multiply by 0.25). You can also use our US Quart to US Gallon Converter.
Q.Are dry gallons and quarts the same as liquid gallons and quarts?
No. A US dry gallon equals 268.8025 cubic inches (about 4.405 L), whereas a liquid gallon is exactly 231 cubic inches (3.785 L). This converter is specifically for liquid measurements.