Quart to Gallon Converter
Enter the value that you want to convert quart (qt) to gallon (gal) or gallon to quart.Also written as QT to GAL conversion.
1 quart = 0.2500000 gallon
Formula: gallon = quart value × 0.2500000
QT to GAL — quart to gallon
10 quart = 2.50000 gallon
Popular Volume Converters:
Converting Quart to Gallon
What is Quart?
Quart (qt) is a unit of volume measurement. 1 quart is equal to 0.2500000 gallon.
The Gallon Explained
Gallon (gal) is a unit of volume measurement. 1 gallon is equal to 4.0000000 quart.
Volume Measurement Systems
Volume units are particularly confusing because the US and UK gallons differ (US gallon = 3.785 L, UK gallon = 4.546 L), as do their pints, cups, and fluid ounces. Cooking, fuel economy, beverage production, and pharmaceutical compounding all require precise volume conversions. Laboratory work uses milliliters and liters while US recipes specify cups, tablespoons, and fluid ounces.
quart to gallon metric conversion table
| 0.01 qt | = | 0.00250 gal |
| 0.1 qt | = | 0.02500 gal |
| 1 qt | = | 0.25000 gal |
| 2 qt | = | 0.50000 gal |
| 3 qt | = | 0.75000 gal |
| 4 qt | = | 1.00000 gal |
| 5 qt | = | 1.25000 gal |
| 6 qt | = | 1.50000 gal |
| 7 qt | = | 1.75000 gal |
| 8 qt | = | 2.00000 gal |
| 9 qt | = | 2.25000 gal |
| 10 qt | = | 2.50000 gal |
| 11 qt | = | 2.75000 gal |
| 12 qt | = | 3.00000 gal |
| 13 qt | = | 3.25000 gal |
| 14 qt | = | 3.50000 gal |
| 15 qt | = | 3.75000 gal |
| 16 qt | = | 4.00000 gal |
| 17 qt | = | 4.25000 gal |
| 18 qt | = | 4.50000 gal |
| 19 qt | = | 4.75000 gal |
| 20 qt | = | 5.00000 gal |
| 30 qt | = | 7.50000 gal |
| 40 qt | = | 10.00000 gal |
| 50 qt | = | 12.50000 gal |
| 60 qt | = | 15.00000 gal |
| 70 qt | = | 17.50000 gal |
| 80 qt | = | 20.00000 gal |
| 90 qt | = | 22.50000 gal |
| 100 qt | = | 25.00000 gal |
| 200 qt | = | 50.00000 gal |
| 300 qt | = | 75.00000 gal |
| 400 qt | = | 100.00000 gal |
| 500 qt | = | 125.00000 gal |
| 600 qt | = | 150.00000 gal |
| 700 qt | = | 175.00000 gal |
| 800 qt | = | 200.00000 gal |
| 900 qt | = | 225.00000 gal |
| 1000 qt | = | 250.00000 gal |
How to Convert QT to GAL (Quart to Gallon)?
We can convert quart to gallon by using an example.
Example:
Convert 20 Quart to Gallon?
We know 1 Quart = 0.2500000 gallon; 1 Gallon = 4.0000000 quart.
20 quart = ___gal
20 × 0.2500000 = 5.00000 gal (we know 1 quart = 0.2500000 gallon)
Answer:
20 quart = 5.00000 gallon
Quarts to Gallons: The Simple ÷4 Kitchen Conversion
Four quarts make one gallon — this is one of the cleanest conversions in the US customary system. Whether you are calculating how many quarts of paint cover a room, measuring milk for a large batch recipe, or sizing storage containers, dividing quarts by 4 gives you the gallon equivalent instantly.
- Note the volume in quarts.
- Divide by 4.
- The result is the equivalent volume in gallons.
- Example: 10 quarts ÷ 4 = 2.5 gallons.
Quarts to Gallons Quick Chart
Common quart-to-gallon conversions for cooking, painting, and liquid storage:
| Quart | Gallon |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 4 qt | 1 gal |
| 6 qt | 1.5 gal |
| 8 qt | 2 gal |
| 12 qt | 3 gal |
| 20 qt | 5 gal |
Solved Examples: Quarts to Gallons
Question 1: You bought 14 quarts of motor oil. How many gallons is that?
Solution:
Gallons = quarts ÷ 4
= 14 ÷ 4
= 3.5 gallons
Answer: 14 quarts = 3.5 gallons of motor oil.
Question 2: A recipe makes 6 quarts of soup. Express in gallons.
Solution:
Gallons = 6 ÷ 4
= 1.5 gallons
Answer: 6 quarts = 1½ gallons of soup.
Question 3: A paint job requires 22 quarts. How many gallon cans should you buy?
Solution:
Gallons needed = 22 ÷ 4 = 5.5 gallons
You need to buy 6 gallon cans (rounding up)
Answer: 22 quarts = 5.5 gallons; purchase 6 gallon cans.
Practice Questions
Try solving these on your own to test your understanding:
- Convert 16 quarts to gallons. (Answer: 4 gallons)
- How many gallons is 5 quarts? (Answer: 1.25 gallons)
- A cooler holds 32 quarts. Express in gallons. (Answer: 8 gallons)
- You made 9 quarts of lemonade. How many gallons? (Answer: 2.25 gallons)
- Convert 1 quart to gallons as a fraction. (Answer: ¼ gallon)
The US Liquid Measurement Hierarchy
The US liquid system follows a clean doubling/quadrupling pattern: 2 cups = 1 pint, 2 pints = 1 quart, 4 quarts = 1 gallon. So 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces. Understanding this hierarchy makes any conversion within the system straightforward — just multiply or divide by 2 or 4 at each step.
Paint Coverage: Quarts vs. Gallons
Paint is sold in quarts (covering ~100 sq ft) and gallons (covering ~400 sq ft). A 12 × 12 foot room with 8-foot ceilings has about 384 sq ft of wall area. That requires about 1 gallon (4 quarts) per coat. Buying by the gallon is more economical, so converting your quart estimate to gallons tells you how many gallon cans to purchase.
Key Takeaways
- 1 quart = 0.25 gallons (¼ gallon).
- Divide quarts by 4 to get gallons.
- 4 quarts = 1 gallon exactly.
- The gallon hierarchy: 1 gal = 4 qt = 8 pt = 16 cups.
- Paint: 1 gallon covers approximately 400 sq ft.
- For purchasing: always round up gallon cans needed.
Quart to Gallon Conversion Formula
gallon = quart × 0.2500000
1 quart = 0.2500000 gallon
1 gallon = 4.0000000 quart
Reverse: quart = gallon × 4.0000000
Frequently Asked Questions
How many gallon are in 1 quart?
There are 0.2500000 gallon in 1 quart. To convert quart to gallon, multiply the value by 0.2500000.
How do I convert quart to gallon?
Multiply your quart value by 0.2500000 to get the equivalent in gallon. For example, 5 quart = 5 × 0.2500000 = 1.25000 gallon.
How do I convert gallon to quart?
Multiply your gallon value by 4.0000000 to get the equivalent in quart. Alternatively, divide by 0.2500000.
What is 10 quart in gallon?
10 quart is equal to 2.50000 gallon.
What is 100 quart in gallon?
100 quart is equal to 25.00000 gallon.