Oz to Cups Converter

Fluid ounces to cups conversion

In US measurements, there are 8 fluid ounces in 1 cup.

Conversion formulas

$$\text{Cups} = \frac{\text{Fluid Ounces}}{8}$$ $$\text{Fluid Ounces} = \text{Cups} \times 8$$

Quick reference

Fluid Ounces	Cups	Tablespoons
1	⅛	2
2	¼	4
4	½	8
6	¾	12
8	1	16
16	2	32
32	4	64

US vs Imperial measurements

Unit	US	Imperial
1 cup	8 fl oz	10 fl oz
1 fl oz	29.57 mL	28.41 mL
1 pint	16 fl oz	20 fl oz

This calculator uses US measurements.

Common cooking conversions

Measurement	Equivalent
1 cup	8 fl oz
1 cup	16 tablespoons
1 tablespoon	3 teaspoons
1 tablespoon	0.5 fl oz
1 cup	236.6 mL

Tips for accurate measuring

Liquid ingredients

• Use clear measuring cups with pour spouts
• Place cup on flat surface
• Read at eye level at the meniscus

Dry ingredients

• Use nested measuring cups
• Level off with straight edge
• Don't pack unless specified (like brown sugar)

Common recipe amounts

Recipe calls for	Fluid ounces
¼ cup	2 fl oz
⅓ cup	2.67 fl oz
½ cup	4 fl oz
⅔ cup	5.33 fl oz
¾ cup	6 fl oz
1 cup	8 fl oz