0.667 Cups to Ounces

0.667 cup = 5.336 fl oz

Calculation: fl oz = 0.667 cup × 8 = 5.336 fl oz

Cup to Ounce Converter

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How much is 0.667 cup?

158 mL (5.3 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

What does 0.667 cup look like?

Illustration of a rocks glass
158 mL (5.3 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

0.667 cup on the ounce scale

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0.667 cup = 5.336 fl oz

How to Convert Cup to Ounce

1 cup = 8 ounces

Ounce = Cup × 8

Example: 0.667 cup × 8 = 5.336 fl oz

Reverse Conversion

To convert ounces back to cups:

  • Remember, 1 ounce equals 18 cups.
  • To convert 5.336 fl oz to cup, multiply 5.336 x 18, resulting in 0.667 cup.

0.667 cup is also equal to:

  • 157.8 milliliter
  • 0.1578 liter
  • 0.3335 pint
  • 0.16675 quart

Frequently Asked Questions

How much is 0.667 cups in ounces?

0.667 cups equals 5.336 ounces. This is calculated by multiplying 0.667 by the conversion factor 8.

What does 0.667 cups look like in ounces?

0.667 cups (5.336 ounces) is less than a cup — a partial serving.

How do you calculate 0.667 cups to ounces?

Multiply 0.667 by the conversion factor 8. The calculation is 0.667 × 8 = 5.336 ounces. This factor is defined by international measurement standards.

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0.667 cups = 5.336 ounces
0.667 cups = 5.336 ounces — conversion chart

Nearby Conversions

0.125 cups1 ounce 0.25 cups2 ounces 0.333 cups2.664 ounces 0.5 cups4 ounces 0.75 cups6 ounces 1 cup8 ounces 1.25 cups10 ounces 1.5 cups12 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.