Converting 12 oz to ml should be easy, but it’s really not that simple. That’s because “oz” refers to the English measurement ounce, and that’s a term that can actually mean different things in different contexts. It’s part of the weirdness and unwieldy nature of English measurements that has caused most of the world to convert to the metric system. A liter is 1,000 ml. That’s simple enough to understand. But you need 437.5 grains to make an ounce, and 16 ounces to make a pound. So if you’re going to market or want to convert 12 oz to ml, most people around the world may not have an accurate idea of what you’re talking about. So with this web page, you’ll know the milliliter (ml) equivalent of 12 fl oz.

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12 OZ to ML Converter


How much is 12 oz in ml? Here you will find the converter program to changer your units from oz to ml (ounces to milliliters). It’s easy enough to use. Enter 12 (which is the amount you have in fluid ounces) in the field marked OZ.

Then pick the proper volume unit. You have 3 options here:

the US customary fluid ounce,the US fluid ounce for food and nutrition labeling, andthe UK (Imperial) version.

The converter will automatically process the 12 oz to ml conversion and you’ll get the desired milliliter equivalent appearing on the ML field. It’s that simple.

Click the “Reset” button if you want to do another conversion. You may have a different amount of fluid in fluid ounces that you want to convert to milliliters (fl oz to ml conversion).

If you’re in a hurry and you want the answer right now, then here they are:

If you’re using US customary fluid ounces, your 12 fl oz is equal to 354,88 ml when rounded off.If you’re putting this on a food label, you have to say that your 12 fl oz is the equivalent of 360 ml.If you’re using UK or imperial ounces, then 12 oz equals 340,96 ml rounded off.

Fluid ounces abbreviations: “fl oz”, “fl. oz.”, “oz. fl.”.

12 OZ to ML – Unit Definition

What is an Ounce? For this web page, we’re talking about fluid ounces (fl oz). We’re not talking about ounces that are used to measure solids like metals. A fluid ounce is just to measure the volume of a liquid.

So what are those different fluid ounce versions all about? The problem is that you first need to know what kind of fluid ounce you’re using. If you’re a US citizen, then you’re probably using the US customary fluid ounce (US fl oz).

If you’re in the US or putting in the milliliter equivalent in a food or nutrition label, there’s a different ml equivalent. If you’re using UK or imperial fluid ounces (UK fl oz), you again have a slightly different ml equivalent.

What is a Milliliter? This one is simpler. Once you know how much liquid there is in a liter, you only need to divide it by the conversion factor which equals 1,000. That results in 1 milliliter. That’s what “milli-” means—1/1000. When you have 1,000 ml, that’s actually 1 liter.

12 OZ to ML Conversion Chart

If you don’t want to use converter, here is quick handy chart you can use in case you need to memorize conversion factors. In case you want even easier solution feel free to bookmark this page.


12 OZ to ML

So how did we get our results? How do you get the same results using your own calculator? It’s really easy. All you need to do is to first determine the type of fluid ounce (fl oz) measurement you have. Each type of fluid ounce (fl oz) has its own equivalent of ml. So you only need to multiply by the ml equivalent.

Thus, you start by entering the amount of fluid ounce you have. Here, we’re assuming you have 12 ounces so we can use that as an example. But the same formulas apply regardless of the number of fluid ounces you have.

12 US FL OZ to ML

Most of the time if you’re an American, you’re using the standard or customary US fluid ounce (fl oz). This means that 1 fluid ounce (fl oz) is exactly 29.5735295625 milliliters (ml). So multiply 12 by 29.5735295625 and you get 354,88 ml rounded off.

12 US FL OZ to ML for Food (Nutrition) Labeling

The rule for US fluid ounces (US fl oz), however, changes when you’re putting the equivalent ml on a food label. This time, 1 fluid ounce (fl oz) is equal to 30 ml. So you just multiply 12 by 30, and you get 360 ml. Sure, there’s a difference, but for most purposes, that’s inconsequential.

12 UK (Imperial) FL OZ to ML

Now the UK citizens have their own idea of what a fluid ounce is. For them, it’s the equivalent of 28.4130625 ml. So you have to multiply 12 by 28.4130625 and you’ll get 340,96 ml.

Convert 12 OZ to ML

So, why do you need to convert 12 oz to ml? There are several good reasons for that. One is that you can present the amount more accurate for those who use the metric system rather than the English system. Not everyone understands the idea of ounces, pints, and gallons.

The second reason is that you can then make sure that everyone is on the right page. When you use fluid ounce, there may some confusion as to what you mean. Are you using the customary US fluid once (US fl oz), the version for food labels, or the UK/Imperial ounce? Once you’ve converted the figure to ml, it becomes clear. A milliliter is a milliliter regardless of where your reader is based.

Most popular OZ to ML (ounces to milliliters) conversions:

How Many ML is 12 OZ?

Basically it’s somewhere between 340,96 to 360 ml. For most situations, the difference may not mean all that much. But it may be a different story for a chemistry experiment or a very exact food recipe.

In any case, 12 fl oz in ml is:

354,88 ml if you’re talking about US customary fluid ounce (US fl oz).360 ml when you want to put this equivalent on a food label.340,96 ml if the data is from a UK publication (Imperial UK fl oz).

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You can always round off the figures if you want to make it more practical. So in the US a 12-ounce gasoline amount is really 354,88 ml. If it’s milk, put it at 360 ml. If you’re in the UK, it really is 340,96 ml. In case you may need to perform another oz to ml conversion, don’t forget to bookmark this page.