Fluid ounces to ML converter

Type a value in fluid ounces (US) and get milliliters instantly, with the formula and a table of common values below. Free, and it runs in your browser.

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oz-to-ml

Fill in the values above to see the result.

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How it works

Enter the value

Type the number of fluid ounces (US) you want to convert.

Read the result

The converted value in milliliters appears as you type, with the formula behind it.

Copy it

Use the copy button, or check the conversion table for common values.

How to convert fluid ounces (US) to milliliters

To convert fluid ounces (US) to milliliters, use ml = fl oz × 29.5735. For example, 16 fl oz is 473.176 ml. Type any value in the converter above and the result updates instantly.

The Fluid ounces to ML formula

The conversion is ml = fl oz × 29.5735. One fluid ounce (US) equals 29.5735 ml. This conversion is exact: fluid ounce (US) is defined precisely in terms of milliliter, so the only rounding is in the digits shown.

Fluid ounces to ML conversion table

Fluid ounces to ML
Fluid ounces (US) (fl oz)Milliliters (ml)
129.5735
259.1471
4118.294
6177.441
8236.588
12354.882
16473.176
20591.471
32946.353

Where fluid ounces (US) and milliliters are used

US fluid ounces measure drinks and small liquid quantities on American labels and recipes.

Milliliters measure small liquid quantities: medicine doses, recipes, cosmetics and bottles.

Worked examples

These examples use the formula above, so you can check the converter or do the same by hand:

  • 2 fl oz = 59.1471 ml
  • 6 fl oz = 177.441 ml
  • 12 fl oz = 354.882 ml

Converting fluid ounces (US) to milliliters in your head

As a quick estimate, multiply by 30 (rounded).

ML to Fluid ounces reference table

For the opposite direction, these values are handy to have at hand:

ML to Fluid ounces
Milliliters (ml)Fluid ounces (US) (fl oz)
100.33814
501.6907
1003.3814
1505.0721
2006.7628
2508.45351
30010.1442
50016.907

Common mistakes to avoid

  • A US gallon (3.785 L) is smaller than an imperial UK gallon (4.546 L); check which one a recipe or fuel figure uses.
  • US fluid ounces and cups differ from UK and metric ones, so recipes from different countries can differ slightly.

About this converter

The converter accepts whole numbers, decimals and negative values, gives the result as you type, and uses full precision internally, so what you copy is as accurate as it can be. It runs in your browser: nothing you type is sent to a server, it keeps working offline once the page has loaded, and there is nothing to install.

Need the opposite direction? Use the ML to Fluid ounces converter.

Frequently asked questions

How many milliliters are in one fluid ounce (US)?
One fluid ounce (US) is equal to 29.5735 milliliters. It is an exact conversion.
How do I convert fluid ounces (US) to milliliters?
Use ml = fl oz × 29.5735. For example, 16 fl oz = 473.176 ml.
How many milliliters is 16 fluid ounces (US)?
16 fl oz is 473.176 ml.
What is a quick way to estimate milliliters in fluid ounces (US)?
As a quick estimate, multiply by 30 (rounded).
Is the Fluid ounces to ML conversion exact?
This conversion is exact: fluid ounce (US) is defined precisely in terms of milliliter, so the only rounding is in the digits shown.
Is this converter free?
Yes. There is no sign-up and no limit, and it runs in your browser, so nothing you type is sent to a server.
Does it work on a phone?
Yes. It works in any modern mobile browser, and the result updates as you type.