31 Oz to Cups
31 US fluid ounces equals 3.875 US cups (3 7/8 cup). Change the amount, swap units, or copy the result. Fluid volume only, not weight ounces.
Best solution
Default conversion: 31 US fl oz is 3 7/8 cup (3.875 cups); 62 US tbsp / approximately 916.78 mL.
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Calculation for 31 US fl oz
31 US fl oz ÷ 8 = 3.875 US cups = 3 7/8 cup. 31 US fl oz × 2 = 62 US tablespoons.
The cup fraction is exact for this whole-number fluid-ounce input. The milliliter equivalent is 31 × 29.5735295625, rounded to 916.78 mL. Weight ounces require ingredient-specific data and are not converted here.
All volume units in this converter are US customary units. The primary decimal is rounded to four places and milliliters to two. For arbitrary inputs, the displayed cup fraction is a nearby fraction with a denominator up to 16, not necessarily an exact equivalent. This does not convert weight ounces or Imperial fluid ounces. NIST unit conversion reference.
Real-World Context & Technical Standards
Near-Quart Beverage Carton
Specialty organic dairy and almond milk grab-and-go cartons often package approximately 31 to 32 fluid ounces.
Seven Eighths of a Quart
31 fluid ounces represents 3 7/8 cups, precisely one fluid ounce under a full quart.
Compare nearby values
Frequently Asked Questions
How many cups is 31 oz of liquid?
There are 8 fluid ounces in 1 US cup. Dividing 31 by 8 gives 3.875 cups (or 3 7/8 cup).
How many tablespoons is 31 fl oz?
Each US fluid ounce equals 2 US tablespoons. Therefore, 31 US fl oz = 62 US tablespoons.
Can I convert 31 ounces by weight to cups here?
No. This tool converts volume, not mass. If 31 oz is a scale reading or a package's net weight, cups depend on the ingredient's density. A volume measured in US fluid ounces still follows the same volume ratio, regardless of the ingredient.
Does this use a metric cup or Imperial fluid ounce?
Neither. This tool uses US customary cups and US fluid ounces. Check the unit system in your recipe before using the result; different cup or fluid-ounce definitions are not interchangeable.