105 LearnersLast updated on July 15th, 2025
Ounces to Ml Conversion
We can measure the volume of liquids using units like ounces, milliliters, liters, gallons, or cups. Different units are used to measure different quantities. An ounce is a small unit of measurement often used in the United States for liquids and other substances. A milliliter (ml) is a metric unit of volume commonly used worldwide for measuring small quantities of liquids, like the volume of a medicine dose or a small drink. Sometimes we need to change ounces to milliliters to make it easier to understand quantities. In this topic, we will learn how to convert ounces to milliliters.
What is an Ounce?
An ounce is a unit of volume commonly used in the United States to measure small quantities of liquid.
It is part of the US customary and imperial systems of measurement.
An ounce is equivalent to 1/16 of a pint or approximately 29.5735 milliliters.
The symbol for ounces is oz, and it is frequently seen on measuring cups and bottles.
What is a Milliliter?
A milliliter is a metric unit of volume used around the world for measuring small quantities of liquid.
The metric system is based on powers of 10, which simplifies unit conversions.
1 milliliter is equal to one-thousandth of a liter, meaning there are 1,000 milliliters in 1 liter (1,000 ml = 1 l).
The symbol for milliliters is ml, and it is commonly seen on medicine bottles and beverage containers.
Ounces to Milliliters Formula
To convert ounces to milliliters, we use the following formula: 1 ounce = 29.5735 milliliters Milliliters = So, to convert from ounces to milliliters, you multiply the number of ounces by 29.5735.
Conversely, to convert from milliliters to ounces, you divide the number of milliliters by 29.5735.
How to Convert Ounces to Milliliters?
Converting ounces (oz) to milliliters (ml) is simple using a standard conversion factor.
Since 1 ounce is equal to 29.5735 milliliters, we can convert ounces to milliliters by multiplying the number of ounces by 29.5735.
Steps to convert oz to ml: Write down the volume in ounces. Multiply the value by 29.5735 to get the volume in milliliters. Formula: Milliliters =
Ounces to Milliliters Conversion Chart
When we measure liquids, sometimes we use ounces (oz) and sometimes we use milliliters (ml).
We use simple conversions to understand how much something in ounces is in milliliters.
Below is a chart that shows us the ounce-to-milliliter conversions.
Common Mistakes and How to Avoid Them in Ounces to Milliliters Conversion
When converting ounces to milliliters, people often make mistakes. Here are some common mistakes to get a better understanding of the concepts of conversions.
Mistake 1
Using the wrong conversion factor
People get confused and use incorrect values for conversion, such as 30 instead of 29.5735.
Mistake 2
Rounding too soon
People might round numbers too early while calculating, which can lead to incorrect results.
For example, instead of writing 5 × 29.5735 = 147.8675, they might round it to 150, which is not accurate.
Mistake 3
Misplacing decimal points
People get confused and place the decimal point incorrectly, which leads to improper values.
For example, instead of writing the value for 10 oz as 295.735 ml, they write it as 2.95735 ml.
Mistake 4
Incorrect use of formula
People get confused and use the incorrect formula. For example, instead of multiplying, they divide.
To convert any value from ounces to milliliters, we multiply ounces by 29.5735, not divide.
Mistake 5
Misunderstanding the relationship between ounces and pints
People often get confused about ounces and pints.
They might think 8 ounces equals 1 pint, but it actually equals 1 cup.
Remember, 1 pint is equal to 16 ounces, so half a pint (8 ounces) is 1 cup.
Ounces to Milliliters Conversion Examples
Problem 1
Convert 8 ounces to milliliters
8 ounces = 236.588 ml
Explanation
We know the conversion factor: 1 ounce = 29.5735 ml Now, multiply 8 by the conversion factor: 8 × 29.5735 = 236.588 ml.
Problem 2
Convert 12 ounces to milliliters.
Solution: Converting 12 ounces to milliliters gives us 354.882 ml.
Explanation
Use the conversion factor: 1 ounce = 29.5735 ml 12 × 29.5735 = 354.882 ml
Problem 3
A bottle contains 20 ounces of liquid. What is the volume in milliliters?
The volume of the bottle in milliliters is 591.47 ml.
Explanation
Convert 20 ounces to milliliters: 20 ounces = 20 × 29.5735 = 591.47 ml Volume = 591.47 ml.
Problem 4
The container holds 16 ounces of juice. What is its volume in milliliters?
The volume in milliliters is 473.176 ml.
Explanation
Convert 16 ounces to milliliters: 16 ounces = 16 × 29.5735 = 473.176 ml Volume = 473.176 ml (approximately).
Problem 5
Converting 25 ounces to milliliters
25 ounces = 739.3375 ml
Explanation
Step 1: Use the conversion factor. 1 ounce = 29.5735 ml Step 2: Multiply 25 by 29.5735. 25 × 29.5735 = 739.3375 ml
FAQs on Ounces to Milliliters
1.How many milliliters is 1 ounce?
2.What is 5 ounces in milliliters?
3.Is 8 ounces of water a cup?
4.How do I convert 10 ounces to milliliters?
Important Glossaries for Ounces to Milliliters
- Conversion: The process of changing one unit of measurement into another. For example, converting ounces to milliliters.
- Volume: The amount of space that a substance or object occupies, often measured in liters, milliliters, or cubic meters.
- Metric System: A decimal-based system of measurement used worldwide, which includes units such as liters and milliliters.
- Customary System: A system of measurement commonly used in the United States, which includes units such as ounces and pints.
- Decimal: Numbers in which the whole number and fractional part are separated by a point (dot). For example, 3.5 where 3 and 5 are separated by a dot.
Seyed Ali Fathima S
About the Author
Seyed Ali Fathima S a math expert with nearly 5 years of experience as a math teacher. From an engineer to a math teacher, shows her passion for math and teaching. She is a calculator queen, who loves tables and she turns tables to puzzles and songs.
Fun Fact
: She has songs for each table which helps her to remember the tables
