What is the exact volume of a US customary cup in milliliters?

A US customary cup is exactly equal to 236.5882365 milliliters.

Can I use this conversion for the legal cup defined as 240 mL?

No, this tool uses the US customary cup definition, which is slightly different from the legal cup of 240 mL.

Why is it important to convert cups to milliliters?

Converting cups to milliliters is essential for precise volume measurements in cooking, scientific research, and medical dosing where metric units are standard.

How to Convert from Cup (US) to Milliliter [mL]

Learn how to convert US customary cups, a common volume measurement in cooking and food labeling, to milliliters, the standard metric unit widely used in healthcare, laboratories, and culinary measurements.

Cup (US)

Milliliter [mL]

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Cup (US) to Milliliter [mL] Conversion Table

Cup (US)	Milliliter [mL]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Cup (US) to Milliliter [mL] Conversion Table
Cup (US)	Milliliter [mL]

Explore More Volume Units Converter

What Is This Tool?

This tool converts volume measurements from the US customary cup, used primarily in cooking and recipes, to milliliters, a metric unit used in many scientific and medical fields. It provides precise metric volume equivalents for accurate ingredient and liquid measurements.

How to Use This Tool?

Enter the volume value in cups (US) you wish to convert
Select 'cup (US)' as the input unit and 'milliliter [mL]' as the output unit
Click the convert button to see the equivalent volume in milliliters
Use the result for cooking, laboratory tasks, or medical dosing as needed

Key Features

Converts US customary cup volumes to milliliters with exact values
Supports applications in cooking, medical dosing, and laboratory measurements
Easy browser-based interface for quick volume conversions
Includes common culinary and scientific use cases for practical relevance
Highlights differences between the standard US cup and legal cup definitions

Examples

2 cups (US) equal 473.176473 milliliters
0.5 cup (US) equals 118.29411825 milliliters

Common Use Cases

Measuring liquid and dry ingredients in US recipes such as milk and flour
Home baking and cooking that specify volume measures instead of weight
Accurate volume dosing for laboratory assays and sample preparation
Healthcare contexts for dosing liquid medications and intravenous fluids
Converting food packaging measurements from US customary units to metric

Tips & Best Practices

Specify whether you are using the standard US customary cup or the legal 240 mL cup when converting
Use exact conversion values for precision in cooking and scientific applications
Check if your recipe or use case prefers volume measurement in mass units for more accuracy
Be aware of measurement differences across countries when using cup units
Utilize this tool to ensure metric compliance in international or professional contexts

Limitations

The US customary cup slightly differs from the legal cup defined as 240 mL
This conversion applies only to the US customary cup and not cups of differing definitions
Minor rounding may affect precision, so exact figures should be used when necessary

Frequently Asked Questions

What is the exact volume of a US customary cup in milliliters?: A US customary cup is exactly equal to 236.5882365 milliliters.
Can I use this conversion for the legal cup defined as 240 mL?: No, this tool uses the US customary cup definition, which is slightly different from the legal cup of 240 mL.
Why is it important to convert cups to milliliters?: Converting cups to milliliters is essential for precise volume measurements in cooking, scientific research, and medical dosing where metric units are standard.

Key Terminology

Cup (US): A volume unit in the US customary system equal to 8 fluid ounces or exactly 236.5882365 milliliters, used especially in cooking.
Milliliter (mL): A metric unit of volume that equals one thousandth of a liter, exactly the volume of one cubic centimeter.
Legal cup: A volume measure used in some US nutrition labeling defined as 240 milliliters, differing slightly from the US customary cup.

Quick Knowledge Check

What is the volume of one US customary cup in milliliters?

240 mL

236.5882365 mL

250 mL

In which scenarios is converting cups to milliliters particularly useful?

Measuring distance between two points

Cooking, medical dosing, and laboratory measurements

Calculating weight of solids

Which of the following is a limitation of this conversion?

Applies to all countries’ cup measurements

Minor rounding can affect precision

Converts cups to liters only

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