US Cups to mL Converter
Convert US cups to milliliters for American baking and cooking recipes.
How It Works
Formula: US cup to mL = value × 236.5882365
Example: 1 US cup = 236.5882 mL
Note: 1 US customary cup equals 236.5882365 mL for liquid cooking measurements. The FDA labeling cup uses 240 mL.
Common Uses
Rounding Rule
Rounded to 4 decimal places
Error Margin
±0.01 mL
Precision Guidance
For everyday cooking, round to 240 mL per cup. For precise baking, use the exact 236.59 mL conversion.
Common Mistakes
Do not confuse US cup with metric cup (250 mL) or imperial cup. American recipes use the US customary cup (236.59 mL) which this converter implements.
Frequently Asked Questions
What is 1 US cup in mL?
1 US customary cup equals exactly 236.5882365 mL for liquid measurements. Note: The FDA nutritional labeling cup uses 240 mL.
Why are there different cup measurements?
The US customary cup (236.59 mL) is used for recipe measurements, while the FDA labeling cup (240 mL) is used on nutrition labels. This converter uses the customary standard for cooking.
Is this the right conversion for baking?
Yes, this uses the US customary cup standard (236.59 mL) used in most American cookbooks and baking recipes.
How accurate is this for cooking?
For everyday cooking, rounding to 240 mL is common. For precise baking, use the full conversion (236.59 mL) for accurate results.
Deep Dive Guide
US Cups to mL Standard Conversion for American Baking & Cooking Recipes
Use standard US customary cups to mL conversion for authentic American baking, home cooking and recipe ingredient measurement.
Read Full Guide →More Converters You May Like
Last Updated 2026 | This converter was reviewed for accuracy