Milliliter to US Fluid Ounce Converter
This tool converts Milliliter (mL) to US Fluid Ounce (fl oz) quickly and accurately. Whether you are reading medicine doses, comparing cosmetics, or understanding product labels, it delivers instant results as you type.
Understanding the Units
Milliliter (mL)
US Fluid Ounce (fl oz)
Who Uses This Conversion?
- Patients — reading medicine dosages in both units
- Skincare shoppers — comparing cosmetic and perfume sizes
- Travelers — checking TSA liquid limits
- Cooks — converting metric quantities to fluid ounces
How to Use
Converting Milliliter to US Fluid Ounce takes just seconds:
Enter the Milliliter Value
Type your value in Milliliter (mL) into the first input field.
View the US Fluid Ounce Result
The equivalent value in US Fluid Ounce (fl oz) 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 US Fluid Ounce to Milliliter instead? Click the swap button (↔) to reverse the direction, or simply type in the US Fluid Ounce 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 Milliliter-to-US Fluid Ounce 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
| Milliliter (mL) | US Fluid Ounce (fl oz) |
|---|---|
| 30 mL | 1.01 fl oz |
| 50 mL | 1.69 fl oz |
| 100 mL | 3.38 fl oz |
| 250 mL | 8.45 fl oz |
| 500 mL | 16.91 fl oz |
| 1000 mL | 33.81 fl oz |
Frequently Asked Questions
How many fluid ounces is 100 mL?
100 mL equals 3.38 fl oz. This is also the TSA carry-on liquid limit (3.4 fl oz).
How many mL in 1 fluid ounce?
One US fluid ounce equals 29.57 mL. For quick estimates, dividing mL by 30 gives a close approximation.
How do I convert mL to fluid ounces?
Divide the mL value by 29.57 (or 30 for a quick estimate). For example, 250 mL ÷ 29.57 = 8.45 fl oz.
What is the TSA liquid limit in mL?
The TSA allows containers up to 100 mL (3.4 fl oz) in carry-on luggage. This is why travel-size products are often 100 mL or smaller.
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.
Why are cosmetics labeled in both mL and fl oz?
Products sold internationally show both units so customers in metric and US markets can understand the size. 30 mL is a common cosmetic size (about 1 fl oz).
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