Convert Quarts (qt) to Ounces (fl oz)
1 quart equals 32 ounces.
Quart to Ounce Converter
What Is a Quart?
The US quart (qt) is a customary unit of volume equal to 2 pints, 4 cups, or 32 fluid ounces (946.353 mL). It is commonly used for milk, juice, and cooking measurements.
What Is an Ounce?
The US fluid ounce (fl oz) equals approximately 29.574 mL. There are exactly 32 fluid ounces in one US quart.
Quart to Ounce Formula
The conversion formula is:
fluid ounces = quarts × 32
Exact by definition: 1 US quart = 32 US fluid ounces.
Worked Example
Convert 1.5 quart (1.5 quarts of broth):
- Calculate: 1.5 → 48 ounce
Common Use Cases
This conversion is needed regularly in:
- Soup, stock, and broth recipes: Many recipes call for quarts of liquid, but packaged broth comes in various ounce sizes (14 oz cans, 32 oz cartons, 48 oz containers). Knowing that 1 quart = 32 oz helps determine exactly how many containers to buy.
- Food service and catering: Commercial kitchen recipes use quarts for bulk liquids, but portioning for individual servings requires ounces. A quart of sauce provides 32 one-ounce portions or 16 two-ounce servings.
- Ice cream and frozen desserts: Ice cream is sold in pints (16 oz) and quarts (32 oz). A quart of ice cream typically yields about eight 4-oz scoops — knowing this helps with party planning and portion control.
- Automotive maintenance: Motor oil, transmission fluid, and other automotive fluids are often measured in quarts in the US. One quart = 32 oz, and a typical oil change requires 4–5 quarts (128–160 oz).
Frequently Asked Questions
Is a quart bigger than a liter?
No, a liter is slightly bigger. A US quart = 32 fl oz = 946.353 mL, while a liter = 1,000 mL = 33.814 fl oz. A liter is about 5.7% larger than a quart. For casual estimation, they are close enough to be considered roughly equal.
How many quarts in a gallon?
One US gallon contains exactly 4 quarts (128 fl oz). This clean division is why the quart gets its name — it is one quarter of a gallon. Similarly: 1 gallon = 4 quarts = 8 pints = 16 cups = 128 ounces.
Is a US quart the same as a UK quart?
No. A US liquid quart = 32 US fl oz = 946.353 mL. A UK (imperial) quart = 40 UK fl oz = 1,136.523 mL. The imperial quart is about 20% larger. This difference exists because the US and UK gallons diverged historically, and all subdivisions (quarts, pints, cups) differ accordingly.
What common containers hold about 1 quart?
A standard quart container is common for milk, cream, juice, and yogurt. A large Nalgene water bottle is typically 32 oz (1 quart). A standard mason jar comes in quart size (32 oz). Takeout soup containers are often quart-sized. Most people encounter quart-sized containers multiple times per week.
Common Quarts to Fluid Ounces for Cooking Recipes
Recipe-friendly amounts with exact fluid-ounce equivalents. Each row links to its dedicated conversion page:
| Quarts | Fluid Ounces |
|---|---|
| ½ qt | 16 fl oz (1 pint) |
| 1 qt | 32 fl oz (4 cups) |
| 1½ qt | 48 fl oz (6 cups) |
| 2 qt | 64 fl oz (½ gallon) |
| 3 qt | 96 fl oz (¾ gallon) |
| 4 qt | 128 fl oz (1 gallon) |
Cooking Notes & Cross-References
Fluid ounces vs. weight ounces: This converter uses fluid ounces, which measure volume. A fluid ounce of water weighs approximately 1.04 ounces by weight, but for other ingredients the difference can be large — for instance, 1 cup of all-purpose flour is 8 fluid ounces by volume but only about 4.25 ounces by weight (120 g).
See our complete Cooking Measurement Guide for a quick-reference chart with all cup, tablespoon, quart, and gallon equivalencies.
Need to convert the other way? Use our Fluid Ounces to Quarts converter.
Quarts to ounces Conversion Table
Reference table with common quarts to ounces conversions. All values calculated with high precision.
Quarts to Ounces Table
1 to 100000
Ounces to Quarts Table
100 to 10000000
Looking for the reverse? Convert Ounce to Quart
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