ml to oz Converter

Created by Jack Bowater
Reviewed by Davide Borchia
Last updated: Jun 29, 2023

In need of a ml to oz converter? Well then, you've come to the right place, as this tool will help you convert fl oz to ml in no time, as well as help you convert between any other volume units! With one easy click, you can also convert between US fl oz and UK fl oz, saving you any cross-Atlantic troubles. So, what are you waiting for? Either use the calculator to your left or scroll down to learn how to convert oz to ml in your head!

🔎 Looking for a volume to weight converter? Check out our volume to mass calculator!

What is a ml?

Milliliters are a way of measuring the volume of a substance. It was original a French unit of volume which was adapted for use in the SI units of measurement. 1 ml is also equal to:

  • 0.034 US fl oz;
  • 0.035 UK fl oz;
  • 0.001 liters;
  • 1 cm3;
  • 1 x 106 m3; and
  • 0.061 cu in.

💡 Did you know, the word liter comes from the Byzantine Greek word litron, where it was originally a unit of weight!

What is a fluid oz?

A fluid ounce is actually quite a simple measurement. It's just the amount of water that weights one ounce! In the Imperial system, a fluid oz is 28.41306 ml, which in the United States of America, it is 29.57353 ml. These measures are important to know if you wish to convert fl oz to ml.

It is a very old measurement, with many different peoples deciding it was worth using. However, since it sprung up independently around the world, it's not exactly uniform! This is why you find a difference between a UK fl oz and a US fl oz: a UK fl oz is 1/160 of an Imperial gallon, while a US fl oz is based on the wine gallon, which is 231 cu in. The wine gallon is actually an English unit of measurement much older than the Imperial gallon!


How to convert oz to ml

To convert oz to ml:

  1. Find your amount in oz.
  2. If you're in the USA, multiply the value by 29.6.
  3. If you're in the UK, times the amount in ml by 28.4.
  4. Enjoy your conversion!

How to convert ml to oz

To convert ml to oz:

  1. Measure your volume in ml.
  2. If you're in the UK, divide the value by 28.4.
  3. If you're in the USA, divide the amount in ml by 29.6
  4. Congratulate yourself on your mathematical ability!

How to convert 8 oz to ml?

To convert 8 oz to ml:

  1. If you're in the United States, multiply 8 by 29.6.
  2. If you're in the British Isles, times 8 by 28.4.
  3. Therefore, 8 oz is 237 ml and 227 ml for the US and UK, respectively.
Jack Bowater
US fl oz
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