0.5 Cups to Ounces

0.5 cup = 4 fl oz

Calculation: fl oz = 0.5 cup × 8 = 4 fl oz

Cup to Ounce Converter

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How much is 0.5 cup?

118 mL (4.0 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

What does 0.5 cup look like?

Illustration of a rocks glass
118 mL (4.0 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

0.5 cup on the ounce scale

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0.5 cup = 4 fl oz

How to Convert Cup to Ounce

1 cup = 8 ounces

Ounce = Cup × 8

Example: 12 cup × 8 = 4 fl oz

Reverse Conversion

To convert ounces back to cups:

  • Remember, 1 ounce equals 18 cups.
  • To convert 4 fl oz to cup, multiply 4 x 18, resulting in 12 cup.

12 cup is also equal to:

Frequently Asked Questions

How much is 0.5 cups in ounces?

0.5 cups equals 4 ounces. This is calculated by multiplying 0.5 by the conversion factor 8.

What does 0.5 cups look like in ounces?

0.5 cups (4 ounces) is less than a cup — a partial serving.

How do you calculate 0.5 cups to ounces?

Multiply 0.5 by the conversion factor 8. The calculation is 0.5 × 8 = 4 ounces. This factor is defined by international measurement standards.

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0.5 cups = 4 ounces
0.5 cups = 4 ounces — conversion chart

Nearby Conversions

0.125 cups1 ounce 0.25 cups2 ounces 0.333 cups2.664 ounces 0.667 cups5.336 ounces 0.75 cups6 ounces 1 cup8 ounces 1.25 cups10 ounces

For general conversions between cups and ounces, see the cups to ounces converter.

Also convert Cups to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.