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8 Fluid Ounces to Cup

8 fluid ounces equals 1 cup using the fl oz to cup formula. Scroll down for the full calculation.

8 fl oz = 1 cup
fl oz ÷ 8 = cup
Try: 3 fl oz to cup 7 fl oz to cup 9 fl oz to cup 13 fl oz to cup
8 fl oz is also
8 fl oz = 0.2366 L 8 fl oz = 0.0625 gal 8 fl oz = 236.59 mL 8 fl oz = 0.5 pt 8 fl oz = 0.25 qt 8 fl oz = 16 tbsp 8 fl oz = 48 tsp
fl oz
1 cup

Step-by-Step Calculation

fl oz ÷ 8 = cup
  1. Start with 8 fl oz
  2. Divide by 8: 8 ÷ 8 = 1
  3. Result: 8 fl oz = 1 cup

This conversion factor (0.125) is the same for every fluid ounce to cup calculation.

Fluid Ounce to Cup Conversion Table

Fluid Ounces (fl oz) Cups (cup)
1 fl oz 0.125 cup
2 fl oz 0.25 cup
5 fl oz 0.625 cup
8 fl oz 1 cup
10 fl oz 1.25 cup
15 fl oz 1.88 cup
20 fl oz 2.5 cup
25 fl oz 3.13 cup
50 fl oz 6.25 cup
75 fl oz 9.38 cup
100 fl oz 12.5 cup
250 fl oz 31.25 cup
500 fl oz 62.5 cup
1,000 fl oz 125 cup
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Frequently Asked Questions

8 fluid ounces equals 1 cup.
The formula is: fl oz ÷ 8 = cup. See the fl oz to cup formula page for worked examples.
Use the cup to fluid ounces converter. The reverse formula is: cup × 8 = fl oz.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (fl oz ÷ 8 = cup) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026