7.21 Ounces to Cups

7.21 fl oz = 0.90125 cup

Calculation: cup = 7.21 fl oz × 0.125 = 0.90125 cup

Ounce to Cup Converter

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How much is 7.21 fl oz?

213 mL (7.2 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

What does 7.21 fl oz look like?

Illustration of a rocks glass
213 mL (7.2 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

7.21 fl oz on the cup scale

fl oz0246810cup00.20.40.60.811.2

7.21 fl oz = 0.9013 cup

Did you know? One US cup is 240 mL.

1 US cup = 240 mL = 8 fl oz. The metric cup used in Australia and NZ is 250 mL.

How to Convert Ounce to Cup

1 ounce = 18 cups

Cup = Ounce × 18

Example: 7.21 fl oz × 18 = 0.90125 cup

Reverse Conversion

To convert cups back to ounces:

  • Remember, 1 cup equals 8 ounces.
  • To convert 0.90125 cup to fl oz, multiply 0.90125 x 8, resulting in 7.21 fl oz.

7.21 fl oz is also equal to:

  • 213.23 milliliter
  • 0.21323 liter
  • 0.45063 pint
  • 0.22531 quart

Frequently Asked Questions

How much is 7.21 ounces in cups?

7.21 ounces equals 0.90125 cups. This is calculated by multiplying 7.21 by the conversion factor 0.125.

What does 7.21 ounces look like in cups?

7.21 ounces (0.90125 cups) is a small cup of liquid — half a measuring cup.

How do you calculate 7.21 ounces to cups?

Multiply 7.21 by the conversion factor 0.125. The calculation is 7.21 × 0.125 = 0.90125 cups. This factor is defined by international measurement standards.

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7.21 ounces = 0.90125 cups
7.21 ounces = 0.90125 cups — conversion chart

Nearby Conversions

0.21 ounces0.02625 cups 1.21 ounces0.1513 cups 2.21 ounces0.2763 cups 3.21 ounces0.4013 cups 4.21 ounces0.5263 cups 5.21 ounces0.6513 cups 6.21 ounces0.7763 cups 8.21 ounces1.026 cups 9.21 ounces1.151 cups 10.21 ounces1.276 cups 11.21 ounces1.401 cups 12.21 ounces1.526 cups 13.21 ounces1.651 cups 14.21 ounces1.776 cups 15.21 ounces1.901 cups 16.21 ounces2.026 cups 17.21 ounces2.151 cups

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

Also convert Ounces 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.