1 Ounce to Milliliters

1 fl oz ≈ 29.574 mL

Calculation: mL = 1 fl oz × 29.5735 ≈ 29.574 mL

Ounce to Milliliter Converter

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How much is 1 fl oz?

30 mL (1.0 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

What does 1 fl oz look like?

Illustration of a small measuring cup
30 mL (1.0 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

1 fl oz on the milliliter scale

fl oz00.511.52mL01020304050

1 fl oz = 29.57 mL

Did you know? One fluid ounce (US) is 30 mL.

1 US fl oz equals 29.57 mL. The Imperial (UK) fluid ounce is slightly smaller at 28.41 mL.

How to Convert Ounce to Milliliter

1 ounce = 29.5735 milliliters

Milliliter = Ounce × 29.5735

Example: 1 fl oz × 29.5735 = 29.574 mL

Reverse Conversion

To convert milliliters back to ounces:

  • Remember, 1 milliliter equals 0.033814 ounces.
  • To convert 29.574 mL to fl oz, multiply 29.574 x 0.033814, resulting in 1 fl oz.

1 fl oz is also equal to:

Frequently Asked Questions

How much is 1 ounce in milliliters?

1 ounce equals 29.574 milliliters. This is calculated by multiplying 1 by the conversion factor 29.5735.

What does 1 ounce look like in milliliters?

1 ounce (29.574 milliliters) is a shot glass or a few tablespoons.

How do you calculate 1 ounce to milliliters?

Multiply 1 by the conversion factor 29.5735. The calculation is 1 × 29.5735 = 29.574 milliliters. This factor is defined by international measurement standards.

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1 ounce = 29.5735 milliliters
1 ounce = 29.5735 milliliters — conversion chart

Nearby Conversions

2 ounces59.15 milliliters 3 ounces88.72 milliliters 4 ounces118.3 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

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.