20 Ounces to Milliliters

20 fl oz ≈ 591.47 mL

Calculation: mL = 20 fl oz × 29.5735 ≈ 591.47 mL

Ounce to Milliliter Converter

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How much is 20 fl oz?

591 mL (20 fl oz) is about a standard wine bottle (750 mL / 25.4 fl oz).

What does 20 fl oz look like?

Illustration of a wine bottle
591 mL (20 fl oz) is about a standard wine bottle (750 mL / 25.4 fl oz).

20 fl oz on the milliliter scale

fl oz01020304050mL0200.0400.0600.0800.01,0001,2001,400

20 fl oz = 591.5 mL

How to Convert Ounce to Milliliter

1 ounce = 29.5735 milliliters

Milliliter = Ounce × 29.5735

Example: 20 fl oz × 29.5735 = 591.47 mL

Reverse Conversion

To convert milliliters back to ounces:

  • Remember, 1 milliliter equals 0.033814 ounces.
  • To convert 591.47 mL to fl oz, multiply 591.47 x 0.033814, resulting in 20 fl oz.

20 fl oz is also equal to:

Frequently Asked Questions

How much is 20 ounces in milliliters?

20 ounces equals 591.47 milliliters. This is calculated by multiplying 20 by the conversion factor 29.5735.

What does 20 ounces look like in milliliters?

20 ounces (591.47 milliliters) is a pint to a quart — a large glass or a small bottle.

How do you calculate 20 ounces to milliliters?

Multiply 20 by the conversion factor 29.5735. The calculation is 20 × 29.5735 = 591.47 milliliters. This factor is defined by international measurement standards.

Share This Calculation

20 ounces = 591.471 milliliters
20 ounces = 591.471 milliliters — conversion chart

Nearby Conversions

4 ounces118.3 milliliters 8 ounces236.6 milliliters 12 ounces354.9 milliliters 16 ounces473.2 milliliters 24 ounces709.8 milliliters 28 ounces828.1 milliliters 32 ounces946.4 milliliters 36 ounces1065 milliliters 40 ounces1183 milliliters 44 ounces1301 milliliters 48 ounces1420 milliliters 52 ounces1538 milliliters 56 ounces1656 milliliters 60 ounces1774 milliliters

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