Oz to mL

Welcome to oz to ml, our website about ounces to milliliters and oz in ml.

An ounce is both, a unit of mass as well as unit of volume, but on this website the topic is the fluid ounce (fl oz) which measure the volume of liquids.

What you need to know for converting ounces to ml is that these days there are 3 different ounces in in common use, all of which have a different capacity:

The US customary fluid ounce, the Imperial fluid ounce as well as the US food labelling fluid ounce.

Here, we tell you want you want to know about them, and also provide you with a converter which can change any type of fl oz to milliliters (ml) 🙂

Read on to learn all about the volume conversion.



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FL Oz to ML

To change fl ounces to milliliters you need to know the kind of ounce under consideration:

  • 1 United States customary fluid ounce equals 29.5735295625 ml
  • 1 Imperial fluid ounce aka UK fluid oz and Canada liquid ounce equals 28.4130625 ml
  • 1 United States food labelling fluid ounce equals 30 ml

Common abbreviations for these units are fl oz, fl. oz. and oz. fl.

If you are from Canada or the UK use the imperial unit; else, unless when it comes to food go with the US customary oz.

And note that difference between “food” and customary fluid ounces is only 1.44%.

So even if you choose the wrong unit, in the kitchen it wouldn’t make much difference if you are looking the conversion up in the context of cooking.


One US fl = 29.5735295625 milliliters. This is equal to 1 ⁄ 128 US gallon, 1 ⁄ 32 US quart, 1 ⁄ 16 US pint or 1 ⁄ 8 US cup for example. 1 US fl oz to ml also equals 2 US tablespoons or 6 US teaspoons.


One UK fl oz = 28.4130625 milliliters. This is equal to 1 ⁄ 160 imperial gallon, 1 ⁄ 40 imperial quart 1 ⁄ 20 imperial pint. Note that 1 UK fl oz is approximately 0.96 US customary fl oz.

US FL OZ to ML for Food

One US food fl = 30 milliliters. According to the US Code of Federal Regulations, §101.9, (viii) “For nutrition labeling purposes” … “1 fl oz means 30 mL” [1].

Keep reading to learn how to convert ounces to ml.

Convert OZ to ML

To convert the units multiply the amount of ounces with 29.57…, 28.41… or 30, depending on the particular kind of ounce under consideration. The formula is [ml] = [oz] x {29.5735295625 | 28.4130625 | 30}.

For example to change US customary fluid ounces multiply the volume in ounces by 29.57 to obtain the equivalent of 59.15 ml.

To change two UK or CA ounces to ml multiply the original volume by 28.41 to obtain 56.84 milliliters.

The results are rounded.

If you like to have it easier and with higher precision, then use our calculator at the top of this page.

About our OZ to ML Converter

To use our ounce to ml converter near the top of this page enter the value in ounces, then select the unit under consideration.

Default is US customary, which you can change if your input is either imperial, or if you want to convert US nutrition to milliliters.

To conduct another conversion, start with pushing the reset button first.

Frequent Oz → Ml transformations include, for instance:

You may want to bookmark this calculator as oz in ml now.

Note that you can also find frequent ounces to mls conversions by using the search form in the sidebar of this page.

If you like to change ml to oz, then you can do so here.


This brings us to the end of our article about the ounce to ml conversion.

Before we sup up with an image, some frequently searched terms are convert ounce to ml and ounces to ml converter.

If you have entered these terms, or something similar, then you have come to the right site, too.

The same is true if you typed ounces to ml conversion or, for instance, convert ounces to milliliters in the preferred search engine.

We have created this page to help people converting these units, because depending on where you come from it’s likely that you are unfamiliar with one of the two units, ounce and milliliters.

Moreover, there are three different types of fluid ounce you may come across, let alone that there is also ounce [oz] mass unit.

For example, if you had been looking for changing mass from ounces to grams then take note that 1 international avoirdupois ounce = 28.349523125 g.

Remember, this page is dedicated to the volume conversion ounces to milliliters.

In case you have any question or want to drop a comment about fluid ounces to ml, then send us an email or fill in the designated form below.

If our converter and our explanations about fl oz in ml have been helpful to you, then pleasure share our content and don’t forget to bookmark us.

Thanks for visiting oztoml.com.


[1] Electronic Code of Federal Regulations

More information:

Fluid ounce on Wikipedia

– Article written by Mark, last updated on September 11th, 2023