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Conversion • Ounces to Cups Converter

Ounces to Cups Converter

Convert fluid ounces to US cups, plus milliliters, tablespoons, teaspoons, and liters — bidirectional, all units at once.

Liquid Volume Converter

Convert between fluid ounces, milliliters, cups, tablespoons, teaspoons, and liters — enter a value in any unit.

Fluid Ounces
8.00 oz
Milliliters
236.59 mL
US Cups
1.000 cup
Tablespoons
16.00 tbsp
Teaspoons
48.00 tsp
Liters
0.2366 L
US Pints
0.500 pt
US Quarts
0.250 qt
US Gallons
0.0625 gal
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Calculation Guide & Reference

Fluid Ounces to Cups Conversion Mathematics

Ounces to cups converter transforms fluid ounces into US cups instantly, plus milliliters, tablespoons, teaspoons, and liters — bidirectional, all at once.

Standardized Mathematical Formula
Cups = fl oz ÷ 8

A US cup is defined as exactly 8 fluid ounces, so dividing any fluid-ounce value by 8 gives the equivalent in cups.

Variables:
fl oz:US fluid ounces (volume, not weight)
Cups:US customary cups
How It Works (Step-by-Step)
  • 1Enter a value and choose its starting unit (fluid ounces, cups, milliliters, tablespoons, teaspoons, or liters).
  • 2View the converted value across every other unit simultaneously.
Real-World Numerical Example
Converting 12 Fluid Ounces to Cups

A can of evaporated milk is labeled 12 fl oz — how many cups is that for a recipe?

12 ÷ 8 = 1.5 cups.
Result: 12 fl oz = 1.5 cups.
Calculation Best Practices & Tips
Remember the difference between decimal storage (1 GB = 1,000 MB) and binary storage (1 GiB = 1,024 MiB).
For absolute temperature conversions, remember that 0 K (Absolute Zero) equals -273.15 °C or -459.67 °F.

Frequently Asked Questions (FAQ)

A US cup equals exactly 8 fluid ounces, by definition — this is the fixed conversion for liquid measurements.

16 fl oz equals 2 cups (16 ÷ 8) — this is also equal to 1 US pint.

Not directly — this conversion is for fluid (liquid volume) ounces. Dry ingredients are also measured by cup (volume), but a "dry ounce" of weight converts to a different amount of cups depending on the ingredient's density (e.g. 1 cup of flour weighs about 4.25 oz, while 1 cup of granulated sugar weighs about 7 oz).

16 tablespoons make one US cup (since 1 tbsp = 0.5 fl oz and 1 cup = 8 fl oz).

No — a US cup is 8 US fluid ounces (236.588 mL), while a UK "cup" measurement is less standardized and metric cups are often rounded to 250 mL; always check the recipe's country of origin for kitchen conversions.

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