US Fluid Ounce to Milliliter Converter
This tool converts US Fluid Ounce (fl oz) to Milliliter (mL) quickly and accurately. Whether you are adapting recipes, dosing medicine, or comparing international product sizes, it delivers instant results as you type.
Understanding the Units
US Fluid Ounce (fl oz)
Milliliter (mL)
Who Uses This Conversion?
- Home cooks — adapting American recipes for metric tools
- Bartenders — making cocktails with metric jiggers
- Healthcare workers — converting fluid-ounce instructions to mL
- Shoppers — comparing US product sizes to metric equivalents
How to Use
Converting US Fluid Ounce to Milliliter takes just seconds:
Enter the US Fluid Ounce Value
Type your value in US Fluid Ounce (fl oz) into the first input field.
View the Milliliter Result
The equivalent value in Milliliter (mL) appears instantly in the second field — no convert button needed.
Copy the Result
Use the copy button to send the result to your clipboard for documents, notes, or other tools.
Reverse Conversion
Need to convert Milliliter to US Fluid Ounce instead? Click the swap button (↔) to reverse the direction, or simply type in the Milliliter field directly.
Tips for Accurate Conversions
- Use decimal points for precise values (e.g., 10.5 instead of 11)
- Large numbers are automatically formatted with thousand separators
- Results update instantly as you type
- Use the unit dropdowns to switch to any other volume unit
Features
Instant Conversion
Results appear as you type, with no convert button. The calculation uses precise conversion factors for accurate results.
Bidirectional Input
Type in either field and the other updates automatically, so you can work in whichever direction you need.
Copy Results
Click the copy button next to any value to copy it to your clipboard for documents, notes, or other applications.
Quick Reference Table
The reference section shows common US Fluid Ounce-to-Milliliter conversions at a glance for fast lookups.
Unit Flexibility
Use the dropdowns to switch to other volume units — liters, milliliters, gallons, cups, fluid ounces, and many more.
Mobile Friendly
The converter works on all devices — desktop, tablet, and mobile. Convert volume units wherever you need them.
Common Conversions
| US Fluid Ounce (fl oz) | Milliliter (mL) |
|---|---|
| 1 fl oz | 29.57 mL |
| 2 fl oz | 59.15 mL |
| 4 fl oz | 118.29 mL |
| 8 fl oz | 236.59 mL |
| 12 fl oz | 354.88 mL |
| 16 fl oz | 473.18 mL |
Frequently Asked Questions
How many mL are in 1 fluid ounce?
One US fluid ounce equals 29.57 mL. For quick cooking measurements, rounding to 30 mL is common and acceptable.
How many mL are in 8 oz?
8 fluid ounces (one US cup) equals 236.59 mL. This is why you sometimes see "240 mL" on American products — it's a convenient rounding.
Should I use 30 mL or 29.57 mL for 1 oz?
For cooking, 30 mL is fine and easier to measure. For medication, science, or precision baking, use the exact 29.57 mL. The 1.5% difference rarely matters in everyday cooking.
What's the difference between US and UK fluid ounces?
A US fluid ounce is 29.57 mL, while a UK fluid ounce is 28.41 mL. This converter uses US fluid ounces, which are standard in American recipes.
How do I convert a 12 oz can to mL?
A 12 fl oz can equals 355 mL. This is the standard size for soda cans in the US, often sold as "350 mL" internationally.
Why do some recipes use mL instead of cups?
Metric measurements (mL, grams) are more precise than volume measurements (cups, tablespoons). Professional bakers often prefer metric because it's more consistent and accurate.
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