4 Ounces to Milliliters

4 fl oz ≈ 118.29 mL

Calculation: mL = 4 fl oz × 29.5735 ≈ 118.29 mL

Ounce to Milliliter Converter

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How much is 4 fl oz?

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

What does 4 fl oz look like?

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

4 fl oz on the milliliter scale

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4 fl oz = 118.3 mL

How to Convert Ounce to Milliliter

1 ounce = 29.5735 milliliters

Milliliter = Ounce × 29.5735

Example: 4 fl oz × 29.5735 = 118.29 mL

Reverse Conversion

To convert milliliters back to ounces:

  • Remember, 1 milliliter equals 0.033814 ounces.
  • To convert 118.29 mL to fl oz, multiply 118.29 x 0.033814, resulting in 4 fl oz.

4 fl oz is also equal to:

Frequently Asked Questions

How much is 4 ounces in milliliters?

4 ounces equals 118.29 milliliters. This is calculated by multiplying 4 by the conversion factor 29.5735.

What does 4 ounces look like in milliliters?

4 ounces (118.29 milliliters) is a small cup of liquid — half a measuring cup.

How do you calculate 4 ounces to milliliters?

Multiply 4 by the conversion factor 29.5735. The calculation is 4 × 29.5735 = 118.29 milliliters. This factor is defined by international measurement standards.

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4 ounces = 118.294 milliliters
4 ounces = 118.294 milliliters — conversion chart

Nearby Conversions

1 ounce29.57 milliliters 2 ounces59.15 milliliters 3 ounces88.72 milliliters 5 ounces147.9 milliliters 6 ounces177.4 milliliters 7 ounces207 milliliters 8 ounces236.6 milliliters 9 ounces266.2 milliliters 10 ounces295.7 milliliters 11 ounces325.3 milliliters 12 ounces354.9 milliliters 13 ounces384.5 milliliters 14 ounces414 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.