Gallon to Quart Converter
Enter the value that you want to convert gallon (gal) to quart (qt) or quart to gallon.Also written as GAL to QT conversion.
1 gallon = 4.8037997 quart
Formula: quart = gallon value × 4.8037997
GAL to QT — gallon to quart
10 gallon = 48.03800 quart
Popular Volume Converters:
Why Convert Gallon to Quart?
The Gallon Explained
Gallon (gal) is a unit of volume measurement. 1 gallon is equal to 4.8037997 quart.
What is Quart?
Quart (qt) is a unit of volume measurement. 1 quart is equal to 0.2081685 gallon.
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.
gallon to quart metric conversion table
| 0.01 gal | = | 0.04804 qt |
| 0.1 gal | = | 0.48038 qt |
| 1 gal | = | 4.80380 qt |
| 2 gal | = | 9.60760 qt |
| 3 gal | = | 14.41140 qt |
| 4 gal | = | 19.21520 qt |
| 5 gal | = | 24.01900 qt |
| 6 gal | = | 28.82280 qt |
| 7 gal | = | 33.62660 qt |
| 8 gal | = | 38.43040 qt |
| 9 gal | = | 43.23420 qt |
| 10 gal | = | 48.03800 qt |
| 11 gal | = | 52.84180 qt |
| 12 gal | = | 57.64560 qt |
| 13 gal | = | 62.44940 qt |
| 14 gal | = | 67.25320 qt |
| 15 gal | = | 72.05700 qt |
| 16 gal | = | 76.86080 qt |
| 17 gal | = | 81.66459 qt |
| 18 gal | = | 86.46839 qt |
| 19 gal | = | 91.27219 qt |
| 20 gal | = | 96.07599 qt |
| 30 gal | = | 144.11399 qt |
| 40 gal | = | 192.15199 qt |
| 50 gal | = | 240.18999 qt |
| 60 gal | = | 288.22798 qt |
| 70 gal | = | 336.26598 qt |
| 80 gal | = | 384.30398 qt |
| 90 gal | = | 432.34197 qt |
| 100 gal | = | 480.37997 qt |
| 200 gal | = | 960.75994 qt |
| 300 gal | = | 1441.13991 qt |
| 400 gal | = | 1921.51988 qt |
| 500 gal | = | 2401.89985 qt |
| 600 gal | = | 2882.27982 qt |
| 700 gal | = | 3362.65979 qt |
| 800 gal | = | 3843.03976 qt |
| 900 gal | = | 4323.41973 qt |
| 1000 gal | = | 4803.79970 qt |
How to Convert GAL to QT (Gallon to Quart)?
We can convert gallon to quart by using an example.
Example:
Convert 20 Gallon to Quart?
We know 1 Gallon = 4.8037997 quart; 1 Quart = 0.2081685 gallon.
20 gallon = ___qt
20 × 4.8037997 = 96.07599 qt (we know 1 gallon = 4.8037997 quart)
Answer:
20 gallon = 96.07599 quart
Gallons to Quarts: Multiply by 4
One gallon contains exactly 4 quarts. This is one of the most fundamental relationships in the US customary system — "gallon" as the whole, divided into four "quarters" (quarts). Multiplying gallons by 4 gives you quarts. This conversion is used daily in cooking, automotive maintenance, paint estimation, and grocery shopping.
- Start with the volume in gallons.
- Multiply by 4 to convert to quarts.
- The result is the number of quarts.
- Example: 3.5 gallons × 4 = 14 quarts.
Gallons to Quarts Conversion Chart
Standard gallon-to-quart conversions for household and automotive use:
| Gallon | Quart |
|---|---|
| ¼ gallon | 1 quart |
| ½ gallon | 2 quarts |
| 1 gallon | 4 quarts |
| 2 gallons | 8 quarts |
| 3 gallons | 12 quarts |
| 5 gallons | 20 quarts |
| 10 gallons | 40 quarts |
| 15 gallons | 60 quarts |
Worked Examples: Gallon → Quarts
Question 1: A paint job requires 4.5 gallons. If you can only find quart cans at the store, how many do you need?
Solution:
Quarts = gallons × 4
= 4.5 × 4
= 18 quarts
Answer: You need 18 quart-sized paint cans.
Question 2: An 8-quart stock pot — what is its capacity in gallons?
Solution:
Gallons = quarts ÷ 4
= 8 ÷ 4
= 2 gallons
Answer: An 8-quart pot holds 2 gallons.
Question 3: You are brewing 5 gallons of beer. How many quarts for bottling?
Solution:
Quarts = 5 × 4
= 20 quarts
Answer: 5 gallons = 20 quarts (about 53 standard 12-oz bottles).
Practice Problems
Try solving these on your own to test your understanding:
- How many quarts in 6 gallons? (Answer: 24 quarts)
- Convert 2.25 gallons to quarts. (Answer: 9 quarts)
- A recipe yields 7 quarts. How many gallons? (Answer: 1.75 gallons)
- How many gallon jugs equal 32 quarts? (Answer: 8 gallons)
- A cooler holds 15 gallons. How many quarts? (Answer: 60 quarts)
Paint Coverage and Quart Planning
Paint coverage is typically rated at 350-400 sq ft per gallon for one coat. When buying small quantities for touch-ups, quarts cover 87-100 sq ft each. To calculate quarts needed: total area ÷ 100 (conservative). For a 12×12 room with 8-ft ceilings (≈384 sq ft of wall area), you need about 1 gallon or 4 quarts per coat. Two coats doubles that to 2 gallons or 8 quarts.
Cookware Capacity in Quarts
American cookware is typically labeled in quarts: a 2-quart saucepan (½ gal), a 6-quart Dutch oven (1.5 gal), an 8-quart stock pot (2 gal), and a 12-quart stock pot (3 gal). Knowing the gallon equivalents helps when scaling recipes: if a recipe makes "1 gallon of soup" you need at least a 4-quart pot, but a 6-quart gives room to stir without splashing.
Key Takeaways
- 1 gallon = 4 quarts exactly.
- Multiply gallons by 4 to get quarts.
- "Quart" means quarter-gallon — the name is the formula.
- For paint: 1 gallon covers ≈400 ft², so 1 quart ≈ 100 ft².
- Cookware sizes in quarts ÷ 4 = gallon capacity.
Gallon to Quart Conversion Formula
quart = gallon × 4.8037997
1 gallon = 4.8037997 quart
1 quart = 0.2081685 gallon
Reverse: gallon = quart × 0.2081685
Frequently Asked Questions
How many quart are in 1 gallon?
There are 4.8037997 quart in 1 gallon. To convert gallon to quart, multiply the value by 4.8037997.
How do I convert gallon to quart?
Multiply your gallon value by 4.8037997 to get the equivalent in quart. For example, 5 gallon = 5 × 4.8037997 = 24.01900 quart.
How do I convert quart to gallon?
Multiply your quart value by 0.2081685 to get the equivalent in gallon. Alternatively, divide by 4.8037997.
What is 10 gallon in quart?
10 gallon is equal to 48.03800 quart.
What is 100 gallon in quart?
100 gallon is equal to 480.37997 quart.