US quart to US gallon Converter
Type a value — the answer appears instantly. 1 qt = 0.25 gal.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.25 US gallons
= 0.946353 L= 946.353 ml
equals 0.25 US gallonsFormula: gal = qt × 0.25
US quart to US gallon formula
gal = qt × 0.25
Convert 5 US quarts to US gallons
- Start with 5 US quarts.
- Multiply by the conversion factor: 5 × 0.25 = 1.25.
- So 5 qt = 1.25 gal.
US quart to US gallon conversion table
| US quarts (qt) | US gallons (gal) |
|---|---|
| 0.01 qt | 0.0025 gal |
| 0.1 qt | 0.025 gal |
| 0.25 qt | 0.0625 gal |
| 0.5 qt | 0.125 gal |
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 4 qt | 1 gal |
| 5 qt | 1.25 gal |
| 6 qt | 1.5 gal |
| 7 qt | 1.75 gal |
| 8 qt | 2 gal |
| 9 qt | 2.25 gal |
| 10 qt | 2.5 gal |
| 15 qt | 3.75 gal |
| 20 qt | 5 gal |
| 25 qt | 6.25 gal |
| 30 qt | 7.5 gal |
| 40 qt | 10 gal |
| 50 qt | 12.5 gal |
| 75 qt | 18.75 gal |
| 100 qt | 25 gal |
| 250 qt | 62.5 gal |
| 500 qt | 125 gal |
| 1,000 qt | 250 gal |
| 5,000 qt | 1,250 gal |
| 10,000 qt | 2,500 gal |
Unit definitions
What is a US quart?
The US liquid quart is one quarter of a US gallon, about 946.35 millilitres, equal to two US pints. It is common for milk, oil, and other liquids in the United States. Four quarts make a gallon.
What is a US gallon?
The US gallon is defined as exactly 231 cubic inches, or 3.785411784 litres. It is the standard unit for fuel, milk, and large liquid quantities in the United States. It is about 20% smaller than the imperial gallon.
Frequently asked questions
How many US gallons are in one US quart?
One US quart equals 0.25 US gallons (1 qt = 0.25 gal).
How do I convert US quarts to US gallons?
Multiply the value in US quarts by 0.25. For example, 10 qt × 0.25 = 2.5 gal.
Which is bigger — a US quart or a US gallon?
A US gallon is bigger: one US gallon contains 4 US quarts.
Is this US quart to US gallon converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.