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US Fluid Ounce to Milliliter Converter

Convert US fluid ounces to milliliters instantly. Free, bidirectional, and fully in-browser.

About this tool

US Fluid Ounce to Milliliter Converter

Convert US fluid ounces to milliliters instantly. Free, bidirectional, and fully in-browser.

1 US fluid ounce equals 29.57352956 milliliters — enter any US fluid ounce value to convert it to milliliters instantly. This US Fluid Ounce to Milliliter converter is a client-side tool: it applies a single multiplication (mL = fl oz × 29.57352956) in your browser, updates the moment you type, and works in both directions — edit either field, or press swap, to convert milliliters back to US fluid ounces. A reference table lists common US fluid ounce values already converted, and nothing you enter is sent to a server.

How to use US Fluid Ounce to Milliliter Converter

  1. 1

    Open US Fluid Ounce to Milliliter Converter on AltFTool — it loads instantly in your browser.

  2. 2

    Type the value you want to convert into the US Fluid Ounce field.

  3. 3

    Read the equivalent in milliliters in the result field, and copy it if needed.

  4. 4

    Use the decimal-places slider for more or less precision, or press swap to convert milliliters to US fluid ounces.

Why use US Fluid Ounce to Milliliter Converter

  • Instant, both ways

    The result updates as you type, and the swap button flips the conversion to milliliter → US fluid ounce without reloading.

  • Exact Volume math

    The conversion uses the precise factor (mL = fl oz × 29.57352956), so the number matches a manual calculation to the decimal places you choose.

  • Adjustable precision

    A slider sets 0–10 decimal places, and very small or very large results switch to scientific notation instead of rounding to zero.

  • Private and free

    Everything runs locally in your browser — no upload, no account, no limit on conversions.

Common use cases

  • Converting a US fluid ounce measurement to milliliters for a spec, listing, or report.
  • Checking US fluid ounce↔milliliter figures while comparing products, datasets, or documentation.
  • Learning the US fluid ounce-to-milliliter relationship from the worked formula and the common-value table.

Frequently asked questions

How many milliliters are in a US fluid ounce?

One US fluid ounce is 29.57352956 milliliters. Multiply the US fluid ounce value by 29.57352956 to convert. For example, 10 fl oz = 295.7352956 mL.

What is the formula to convert US fluid ounces to milliliters?

mL = fl oz × 29.57352956. This tool applies it automatically and shows a worked example: 10 fl oz = 295.7352956 mL.

Can it convert milliliters back to US fluid ounces?

Yes. Press the swap button, or type into the milliliter field, and the tool converts milliliters to US fluid ounces using the inverse of the same relationship.

Is the conversion accurate?

It uses the standard volume and capacity definition (mL = fl oz × 29.57352956), not a rounded approximation, so results are exact to the number of decimal places you select.

Does this work offline and stay private?

Yes. The converter is a browser-side script with no network calls: your values are never uploaded, and once the page has loaded it keeps working without a connection.

Embed this tool on your site

Add the US Fluid Ounce to Milliliter Converter widget to your blog or website — free, responsive, no signup. Just keep the “Widget by AltFTool” credit link visible.

<iframe src="https://www.altftool.com/embed/widget/us-fluid-ounces-to-milliliters-converter"
  title="US Fluid Ounce to Milliliter Converter — free AltFTool widget"
  width="100%" height="640" style="border:0;border-radius:12px;overflow:hidden"
  loading="lazy" referrerpolicy="no-referrer-when-downgrade" allow="clipboard-write"></iframe>
<p style="font-size:12px;margin:4px 0 0">Widget by <a href="https://www.altftool.com/tools/all/us-fluid-ounces-to-milliliters-converter?utm_source=embed&amp;utm_medium=widget" rel="nofollow">AltFTool — free online tools</a></p>

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