Convert ml to ounce with this easy calculator and chart. Includes formula, conversion table, examples, and tips for accurate milliliter to ounce conversion.
ML to Ounce Calculator
Use this ml to ounces conversion calculator to convert milliliters into fluid ounces (U.S. fluid ounces) quickly and accurately. The result is rounded to 4 decimal places.
ml to oz Calculator
Table of Contents
- ML to Ounce Calculator
- What Is ML to Ounce?
- Mathematical Formula for ML to Ounce
- How to Convert ML to Ounce Using a Calculator
- How to Convert ML to Ounce in Python
- Tips for ML to Ounce Conversion
- Did You Know?
- Frequently Asked Questions (FAQ)
- Conclusion
What Is ML to Ounce?
ML to ounce conversion is the process of changing a liquid measurement from milliliters (ml) to fluid ounces (oz). This is essential when working across metric and imperial systems, especially in recipes, healthcare, and international shipping.
Milliliters are part of the metric system and are commonly used globally, while fluid ounces are used in the U.S. customary and British imperial systems.

ML to OZ Chart
Here is a quick ml to oz chart showing common values:
| Milliliters (ml) | Ounces (oz) |
|---|---|
| 5 ml | 0.1691 oz |
| 10 ml | 0.3381 oz |
| 20 ml | 0.6763 oz |
| 50 ml | 1.6907 oz |
| 100 ml | 3.3814 oz |
Mathematical Formula for ML to Ounce
The conversion from ml to ounces is done using this formula:
oz = ml ÷ 29.5735
Example
To convert 100 ml to ounces:
100 ÷ 29.5735 = 3.3814 oz
This formula applies to U.S. fluid ounces. For UK imperial fluid ounces, the divisor is different (28.4131).
How to Convert ML to Ounce Using a Calculator
To calculate ml into oz using a basic calculator:
- Enter the number of milliliters.
- Press the divide button.
- Type 29.5735.
- Press equals.
Your result is the volume in fluid ounces.
How to Convert ML to Ounce in Python
You can also convert milliliters to ounces in Python:
def ml_to_oz(ml):
return ml / 29.5735
# Example
volume_ml = 100
volume_oz = ml_to_oz(volume_ml)
print(f"{volume_ml} ml = {volume_oz:.4f} oz")
This function takes the number of milliliters and returns the equivalent volume in ounces, rounded to four decimal places.
Tips for ML to Ounce Conversion
- Always confirm if the result is in U.S. or UK fluid ounces.
- Round results to 4 decimal places for precision.
- Use a ml to oz chart for quick conversions when offline.
- Double-check units when following international recipes or packaging labels.
Did You Know?
The fluid ounce originated in medieval England and was standardized differently in the U.S. and UK. A U.S. fluid ounce is about 29.57 ml, while a UK fluid ounce is about 28.41 ml. This difference is why conversions must clearly state which standard is being used.
Frequently Asked Questions (FAQ)
What is the formula for converting ml to ounces?
The standard formula for milliliter to ounce conversion is:
ounces = milliliters ÷ 29.5735
Can I use a ml to oz conversion chart?
Yes, a ml to oz conversion chart is a quick reference tool for common volume values without needing to calculate each time.
Is the ml to oz calculator accurate?
Yes, the ml to ounces calculator is accurate when using the correct conversion factor (29.5735 for U.S. fluid ounces).
Are ml and ounces the same?
No. Milliliters are a metric unit of volume, while ounces are part of the U.S. customary and imperial systems. They are used in different regions.
What’s the difference between U.S. and UK fluid ounces?
A U.S. fluid ounce is approximately 29.5735 ml. A UK fluid ounce is smaller, around 28.4131 ml. Always check which system you are converting from.
Conclusion
Converting ml to ounce is a common task in cooking, science, and international trade. With a clear formula and a reliable ml to ounces calculator, it’s easy to get accurate results every time. Use the calculator above or refer to the ml to oz chart for quick reference.
For more helpful tools and tips, explore our full range of volume conversions or browse our cooking conversions for kitchen-specific measurements.