4 quarts (qt) is equal to 1 gallon (gal).
To convert quarts to gallons, you divide the number of quarts by 4, since 1 gallon contains 4 quarts. Therefore, 4 quarts divided by 4 gives 1 gallon.
Conversion Tool
Result in gal:
Conversion Formula
The formula to convert quarts (qt) to gallons (gal) is:
gal = qt ÷ 4
This works because 1 gallon contains exactly 4 quarts. So, dividing the number of quarts by 4 gives the equivalent gallons.
Example calculation for 4 quarts:
- Start with 4 quarts (qt).
- Divide 4 by 4.
- Result is 1 gallon (gal).
So, 4 qt ÷ 4 = 1 gal.
Conversion Example
- Example: Convert 10 quarts to gallons
- Begin with 10 quarts.
- Divide 10 by 4, because 4 quarts make 1 gallon.
- 10 ÷ 4 = 2.5 gallons.
- Therefore, 10 qt equals 2.5 gal.
- Example: Convert 7 quarts to gallons
- Start with 7 quarts.
- 7 ÷ 4 = 1.75 gallons.
- So, 7 qt is 1.75 gal.
- Example: Convert 15 quarts to gallons
- 15 quarts divided by 4 is 3.75 gallons.
- Thus, 15 qt = 3.75 gal.
- Example: Convert 3 quarts to gallons
- 3 ÷ 4 = 0.75 gallons.
- Therefore, 3 qt equals 0.75 gal.
Conversion Chart
| Quarts (qt) | Gallons (gal) |
|---|---|
| -21.0 | -5.25 |
| -15.0 | -3.75 |
| -10.0 | -2.50 |
| -5.0 | -1.25 |
| 0.0 | 0.00 |
| 5.0 | 1.25 |
| 10.0 | 2.50 |
| 15.0 | 3.75 |
| 20.0 | 5.00 |
| 25.0 | 6.25 |
| 29.0 | 7.25 |
The chart above shows quarts in the left column and their gallon equivalents on the right. You can find a value in quarts, then look right to see how many gallons it converts to by dividing the quart value by 4.
Related Conversion Questions
- How many gallons are in 4 quarts exactly?
- What is 4 qt converted to gallons in decimal form?
- Does 4 quarts equal 1 gallon or more?
- How do you convert 4 quarts into gallons using math?
- Is 4 qt greater than or less than 1 gallon?
- What’s the formula to turn 4 quarts into gallons?
- How much gallon does 4 quarts measure?
Conversion Definitions
Quart (qt): A quart is a unit of volume commonly used in the US customary system, equal to one fourth of a gallon or two pints. Quarts measure liquids and dry ingredients, often in cooking and fuel quantities. There are 4 quarts in 1 gallon, making it a smaller volume unit.
Gallon (gal): A gallon is a larger volume unit used mainly in the United States and some other countries. It equals 4 quarts or 128 fluid ounces. Gallons are used for measuring liquids like milk, gasoline, or water where larger quantities are needed than quarts.
Conversion FAQs
Can I convert quarts to gallons without a calculator?
Yes, you can convert quarts to gallons mentally by dividing the number of quarts by 4 because 1 gallon equals 4 quarts. For example, 8 quarts divided by 4 equals 2 gallons. This simple division works for any quart value.
Why is the conversion factor between quarts and gallons 4?
The factor 4 comes from the definition that 1 gallon contains exactly 4 quarts. This relationship is set by customary units measurement system and allows easy conversion just by dividing or multiplying by 4.
Does this conversion apply for both liquid and dry quarts?
The conversion between quarts and gallons is the same numerically for liquid and dry measures, but liquid quarts and dry quarts measure different volumes. So, while dividing by 4 works for both, the actual volume might differ slightly depending on what is measured.
Are quarts and gallons used worldwide the same way?
No, the US customary system uses quarts and gallons differently than the UK imperial system. US gallons are smaller than UK gallons, so converting quarts to gallons depends on the system used. The formula here applies to US measurements.
How can I use the conversion chart efficiently?
Find the quart value you want to convert in the left column, then read across to the right for its gallon equivalent. This saves time instead of calculating manually. The chart supports values from negative to positive for diverse needs.
Last Updated : 20 July, 2025
I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️
Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.