Use our Cups to Milliliters converter to quickly and accurately convert volume from U.S. cups to milliliters (mL). Enter a value in the calculator below to instantly find the equivalent volume in milliliters.
Convert Cups to Milliliters
Enter a volume in U.S. cups to instantly calculate the equivalent volume in milliliters (mL).
Formula: mL = U.S. cups × 236.5882365
How to Convert Cups to Milliliters
To convert U.S. cups to milliliters, multiply the number of cups by 236.5882365. One U.S. customary cup equals 236.5882365 milliliters.
Formula
mL = U.S. cups × 236.5882365
Example: Convert 2 U.S. cups to milliliters.
2 × 236.5882365 = 473.176473
2 cups = 473.176473 mL
Cups to Milliliters Conversion Chart
| U.S. Cups | Milliliters (mL) |
|---|---|
| 1/4 | 59.147059 |
| 1/3 | 78.862746 |
| 1/2 | 118.294118 |
| 2/3 | 157.725491 |
| 3/4 | 177.441177 |
| 1 | 236.588237 |
| 1 1/2 | 354.882355 |
| 2 | 473.176473 |
| 3 | 709.764710 |
| 4 | 946.352946 |
| 5 | 1182.941183 |
Common Cooking Measurements
Cups to milliliters conversions are especially useful in recipes because many U.S. recipes use cups while international recipes often use milliliters. Common kitchen values include 1/4 cup ≈ 59.15 mL, 1/3 cup ≈ 78.86 mL, 1/2 cup ≈ 118.29 mL, 3/4 cup ≈ 177.44 mL, and 1 cup ≈ 236.59 mL.
For everyday cooking, these rounded measurements are often easier to use than the full conversion value. However, when precision matters—such as baking, recipe scaling, or working with exact ingredient quantities—use the Cups to Milliliters converter above for a more precise result.
U.S. Cups vs. Metric Cups
Cup measurements are not identical in every measurement system. This converter uses the U.S. customary cup, equal to 236.5882365 mL. A metric cup is commonly defined as 250 mL, so results can differ depending on which cup standard a recipe or product uses.
Frequently Asked Questions
How do you convert cups to milliliters?
Multiply the number of U.S. cups by 236.5882365.
How many milliliters are in 1 cup?
One U.S. customary cup equals 236.5882365 milliliters.
How many milliliters are in 1/2 cup?
One-half U.S. cup equals approximately 118.294118 mL.
How many milliliters are in 1/4 cup?
One-quarter U.S. cup equals approximately 59.147059 mL.
Is 1 cup always 250 mL?
No. A U.S. customary cup is about 236.59 mL, while a metric cup is commonly 250 mL.
When You Might Need to Convert Cups to Milliliters
You may need to convert cups to milliliters when following international recipes, scaling recipes, measuring liquids, comparing kitchen tools, reviewing nutritional information, or using measuring equipment marked in metric units.
The Cups to Milliliters converter above makes it easy to get an accurate result without calculating the conversion manually.
About U.S. Cups
The U.S. customary cup is a unit of volume commonly used in cooking and food preparation in the United States. It equals 8 U.S. fluid ounces and approximately 236.5882365 milliliters.
About Milliliters
The milliliter, abbreviated mL, is a metric unit of volume equal to one-thousandth of a liter. Milliliters are widely used around the world for cooking, beverages, medicine, laboratory measurements, and product labeling.
For additional information about metric measurement and SI units, visit the U.S. National Institute of Standards and Technology (NIST).
Understanding the difference between these measurement systems is especially useful when following recipes or comparing kitchen measurements from different countries. Cups are commonly used for cooking measurements in the United States, while milliliters are widely used in countries that follow the metric system. Whether you are preparing a recipe, measuring liquids, scaling ingredients, or comparing international cooking instructions, an accurate cups to milliliters conversion helps ensure that you are using the correct amount.
For fast and accurate results, use our Cups to Milliliters converter whenever you need to convert U.S. cup measurements to milliliters (mL) for cooking, recipes, or other volume measurements.
Convert Milliliters to Cups
Need to convert the other way? Use our Milliliters to Cups converter to quickly convert milliliters (mL) to U.S. cups.
More Cooking & Kitchen Converters
Explore more measurement tools in our Cooking & Kitchen Converters collection, or browse All Converters.