Ounces to Quarts Converter
Convert fluid ounces (fl oz) to quarts (qt) with US and Imperial standards
Volume Conversion
US fluid ounces
US liquid quarts
Conversion Results
Conversion formula: 1 US quart = 32 fluid ounces
Quick calculation: Quarts = Ounces ÷ 32
Volume hierarchy: 1 quart = 2 pints = 4 cups = 32 fl oz
Common Conversions (US Quarts)
| Fluid Ounces | Quarts | Common Use |
|---|---|---|
| 8 fl oz | 0.25 qt | 1 cup / 0.25 qt |
| 16 fl oz | 0.50 qt | 1 pint / 0.5 qt |
| 24 fl oz | 0.75 qt | 3 cups / 0.75 qt |
| 32 fl oz | 1.00 qt | 1 quart / 4 cups |
| 64 fl oz | 2.00 qt | 2 quarts / half gallon |
| 96 fl oz | 3.00 qt | 3 quarts |
| 128 fl oz | 4.00 qt | 1 gallon / 4 quarts |
| 160 fl oz | 5.00 qt | 5 quarts / 1.25 gallons |
| 192 fl oz | 6.00 qt | 6 quarts / 1.5 gallons |
| 256 fl oz | 8.00 qt | 2 gallons / 8 quarts |
Quick Reference
Volume Hierarchy (US)
Conversion Tips
US quarts are smaller than Imperial quarts
4 cups = 1 US quart (8 fl oz per cup)
Common in cooking: 32 fl oz = 1 US quart
1 US quart ≈ 0.946 liters
Understanding Ounces to Quarts Conversion
What is a Fluid Ounce?
A fluid ounce (fl oz) is a unit of volume used to measure liquids in both the US customary and British Imperial systems. Despite sharing the same name, US and Imperial fluid ounces differ slightly: a US fluid ounce is approximately 29.57 ml, while an Imperial fluid ounce is about 28.41 ml.
What is a Quart?
A quart (qt) is a unit of liquid capacity equal to a quarter of a gallon. The US liquid quart contains 32 fluid ounces, while the Imperial quart contains 40 fluid ounces. The name "quart" comes from the Latin "quartus" meaning "fourth."
Conversion Formulas
US Fluid Ounces to Quarts
Quarts = Fluid Ounces ÷ 32
Quarts = Fluid Ounces × 0.03125
Example: 64 fl oz ÷ 32 = 2 quarts
Imperial Fluid Ounces to Quarts
Quarts = Fluid Ounces ÷ 40
Quarts = Fluid Ounces × 0.025
Example: 80 fl oz ÷ 40 = 2 Imperial quarts
💡 Remember: 4 cups = 1 US quart, since 1 cup = 8 fluid ounces and 4 × 8 = 32 fl oz
Common Applications
🍳 Cooking & Baking
Recipes often specify liquid ingredients in quarts or fluid ounces. Understanding the conversion helps when scaling recipes or substituting measuring tools.
🥤 Beverages
Beverage containers are commonly labeled in fluid ounces (e.g., 32 fl oz bottle = 1 quart). This helps understand serving sizes and compare product volumes.
🧪 Laboratory Work
Scientific measurements may require converting between different volume units. Accurate conversions are critical for experimental precision and reproducibility.
⚠️ Important Distinctions
US vs. Imperial: Always check whether you're working with US or Imperial measurements. US quarts are about 20% smaller than Imperial quarts (32 fl oz vs. 40 fl oz).
Liquid vs. Dry: This converter is for liquid measurements. Dry quarts (used for dry goods like berries) have different volumes and should not be confused with liquid quarts.
Weight vs. Volume: Fluid ounces measure volume, not weight. Don't confuse them with ounces (oz) which measure weight. For volume conversions, use our fluid ounces converter.