US Cups to Milliliters Converter
Convert us cups (cup) to milliliters (mL) using documented conversion factors. Includes interactive calculations, conversion formula, worked steps, and common reference tables.
Live Interactive Calculator
milliliter = us cup × 236.588237Conversion Formula
To convert from us cups to milliliters, apply the mathematical formula:
Where cup represents us cups and mL represents milliliters.
Conversion Factor
The base relationship defined under primary measurement standards:
Reference: NIST Handbook 44
Volume Measurement & Regional Capacity Standards
Volume measures three-dimensional capacity. In the International System of Units (SI), volume is derived from cubic meters (m³), with the liter (L) defined as 1 cubic decimeter (0.001 m³).
Be careful when converting liquid units between US and British measurements:
- 1 US Gallon is legally defined as 231 cubic inches, equal to 3.785411784 liters.
- 1 Imperial Gallon is defined as exactly 4.54609 liters (roughly 20% larger than a US gallon).
- US Fluid Ounce (29.57 mL) is slightly larger than a British Imperial Fluid Ounce (28.41 mL), but 1 US pint has 16 fl oz while 1 UK pint has 20 imperial fl oz.
Unit-Scale clearly labels regional variants so you never confuse US Customary liquid measures with British Imperial measures.
How to Convert US Cups to Milliliters
Converting measurements between us cups and milliliters follows a structured calculation process:
- Identify the quantity in us cups (cup) that you wish to convert.
- Multiply the input by the conversion factor ratio
1 cup = 236588237 mL.. - The resulting value is the equivalent amount expressed in milliliters (mL).
Common US Cups to Milliliters Reference Table
Frequently referenced values calculated using documented measurement conversion factors.
| US Cup (cup) | Milliliter (mL) | Arithmetic Expression |
|---|---|---|
| 0.25 cup | 59.147059 mL | 0.25 × 236.588237 |
| 0.33 cup | 78.074118 mL | 0.33 × 236.588237 |
| 0.5 cup | 118.294118 mL | 0.5 × 236.588237 |
| 0.75 cup | 177.441177 mL | 0.75 × 236.588237 |
| 1 cup | 236.588237 mL | 1 × 236.588237 |
| 1.5 cup | 354.882355 mL | 1.5 × 236.588237 |
| 2 cup | 473.176473 mL | 2 × 236.588237 |
| 3 cup | 709.76471 mL | 3 × 236.588237 |
| 4 cup | 946.352946 mL | 4 × 236.588237 |
| 5 cup | 1,182.941183 mL | 5 × 236.588237 |
Worked Calculation Examples
Practical step-by-step calculations showing how to convert us cups to milliliters with exact mathematical equations.
Application context: Half cup for baking recipes (118.29 mL)
Application context: 1 standard US cup equals 236.59 mL
Application context: 1 US quart equals 946.35 mL
About the Units
Authoritative technical specifications and historical definitions for both units.
US Cup (cup)
A customary volume unit in the United States equal to 8 US fluid ounces or 1/16 US gallon (approx 236.59 mL). Standard in American cooking recipes.
Milliliter (mL)
A metric unit of volume equal to one-thousandth of a liter (1 cm³). Standard in medicine, chemistry, and culinary ingredients worldwide.
Related Volume & Capacity Converters
Contextual conversions related to this pair within the measurement graph.