221 Milliliters to Ounces

221 mL ≈ 7.4729 fl oz

Calculation: fl oz = 221 mL × 0.033814 ≈ 7.4729 fl oz

Milliliter to Ounce Converter

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How much is 221 mL?

221 mL (7.5 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

What does 221 mL look like?

Illustration of a rocks glass
221 mL (7.5 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

221 mL on the ounce scale

mL0100.0200.0300.0400.0500.0fl oz051015

221.0 mL = 7.473 fl oz

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 Milliliter to Ounce

1 milliliter = 0.033814 ounces

Ounce = Milliliter × 0.033814

Example: 221 mL × 0.033814 = 7.4729 fl oz

Reverse Conversion

To convert ounces back to milliliters:

  • Remember, 1 ounce equals 29.5735 milliliters.
  • To convert 7.4729 fl oz to mL, multiply 7.4729 x 29.5735, resulting in 221 mL.

221 mL is also equal to:

  • 0.221 liter
  • 0.93411 cup
  • 0.46706 pint
  • 0.23353 quart

Frequently Asked Questions

How much is 221 milliliters in ounces?

221 milliliters equals 7.4729 ounces. This is calculated by multiplying 221 by the conversion factor 0.033814.

What does 221 milliliters look like in ounces?

221 milliliters (7.4729 ounces) is a measuring cup or a small glass.

How do you calculate 221 milliliters to ounces?

Multiply 221 by the conversion factor 0.033814. The calculation is 221 × 0.033814 = 7.4729 ounces. This factor is defined by international measurement standards.

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221 milliliters = 7.4729 ounces
221 milliliters = 7.4729 ounces — conversion chart

Nearby Conversions

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

Also convert Milliliters 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.