Fluid ounce to Quart Conversion Calculator: Free Online Tool
Convert fluid ounces to quarts with our free online volume converter.
Fluid ounce to Quart Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Fluid ounce).
- The converted value in Quart will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Volume category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Fluid ounce to Quart
Converting Fluid ounce to Quart involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Fluid ounce = 0.03125 quartsExample Calculation:
Convert 10 fluid ounces: 10 × 0.03125 = 0.3125 quarts
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Fluid ounce and a Quart?
The fluid ounce is a unit of volume. The US fluid ounce is defined as 1/128 of a US gallon (approx. 29.57 ml). The Imperial fluid ounce is 1/160 of an Imperial gallon (approx. 28.41 ml).
The US liquid quart (symbol qt US) is a unit of volume in the United States customary units system. It is equal to one-quarter of a US gallon, which is exactly 57.75 cubic inches or approximately 0.946 liters. It is commonly used for measuring medium quantities of liquids, such as milk, oil, and juices.
Note: The Fluid ounce is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Quart belongs to the imperial/US customary system.
History of the Fluid ounce and Quart
Derived from the ounce unit of weight/mass, adapted to measure the volume of liquids like wine or water.
The quart, meaning 'quarter part' (of a gallon), shares its history with the gallon. The US liquid quart is derived from the English wine gallon (231 cubic inches), making it distinct from the Imperial quart used elsewhere, which is based on the larger Imperial gallon.
Common Uses for fluid ounces and quarts
Explore the typical applications for both Fluid ounce (imperial/US) and Quart (imperial/US) to understand their common contexts.
Common Uses for fluid ounces
- Beverages: Measuring alcoholic drinks, soft drinks, and coffee servings.
- Cooking: Recipe measurements for smaller liquid ingredients.
- Medicine: Liquid medication dosages on prescription labels.
- Personal Care: Volumes of cosmetics, perfumes, and essential oils.
- Nutrition Labels: Serving sizes on food and beverage packaging.
Common Uses for quarts
- US Beverages: Selling milk, juice, and other beverages in the US.
- Automotive: Measuring motor oil.
- Culinary: Cooking and recipe measurements, particularly for liquids.
- Gardening: Gardening (measuring soil, water).
Frequently Asked Questions
Questions About Fluid ounce (fl oz)
Is a US fluid ounce the same as a UK fluid ounce?
No, the Imperial (UK) fluid ounce is slightly smaller than the US fluid ounce (approximately 28.41 ml vs 29.57 ml).
Is a fluid ounce the same as a weight ounce?
No, a fluid ounce measures volume (the space something occupies), while a weight ounce (specifically an avoirdupois ounce) measures mass (how much matter it contains). The relationship between the two depends entirely on the density of the substance being measured. For water, 1 US fluid ounce weighs approximately 1.04 avoirdupois ounces.
About Quart (qt)
How many pints are in a US quart?
There are exactly 2 US liquid pints in 1 US liquid quart.
How many cups are in a US quart?
There are exactly 4 US customary cups in 1 US liquid quart.
Is a US quart the same as an Imperial quart?
No. The US liquid quart (≈ 0.946 L) is smaller than the Imperial quart (≈ 1.136 L).
Conversion Table: Fluid ounce to Quart
| Fluid ounce (fl oz) | Quart (qt) |
|---|---|
| 1 | 0.031 |
| 5 | 0.156 |
| 10 | 0.313 |
| 25 | 0.781 |
| 50 | 1.563 |
| 100 | 3.125 |
| 500 | 15.625 |
| 1,000 | 31.25 |