Convert US Cup to Milliliter
Convert us cups to milliliters instantly. 1 us cup = 236.5882365 milliliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Milliliter to US Cup converter for the reverse conversion.
Units explained
US Cup
A US customary cup is one sixteenth of a US gallon (236.588 mL).
Standardized for American cooking; distinct from the 240 mL US legal cup and the 250 mL metric cup.
The standard US cooking-volume unit in recipes.
US customary cooking measure.
Milliliter
A milliliter is one thousandth of a liter, exactly equal to one cubic centimeter.
Formed with the SI prefix milli- applied to the liter.
The standard small-volume unit in cooking, medicine and the laboratory.
Metric prefix system.
US Cup to Milliliter conversion formula
The relationship between us cups and milliliters:
To convert us cups to milliliters, multiply the value in us cups by 236.5882365. To reverse, multiply milliliters by 0.0042267528.
How to use this converter
Type a value into the calculator. The result in milliliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Milliliter to US Cup converter for the reverse direction.
Step-by-step: convert us cups to milliliters
- Write down the value in us cups (cup).
- Multiply that value by the factor 236.5882365.
- The product is the equivalent value in milliliters (mL).
- To reverse, multiply the milliliter value by 0.0042267528.
Worked examples
Example 1 — Convert 1 cup to mL:
1 × 236.5882365 = 236.5882365 mL
Example 2 — Convert 100 cup to mL:
100 × 236.5882365 = 23658.82365 mL
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 us cups), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 cup × 236.5882365 = 709.7647095 mL
Real-world example — Plastic-film thickness alternates
A 150-us cup plastic film converts cleanly to milliliters — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 cup × 236.5882365 = 35488.235475 mL
Real-world example — Hair-width scale measurements
A 70-us cup measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like milliliters for direct comparison across supplier datasheets.
70 cup × 236.5882365 = 16561.176555 mL
US Cup to Milliliter conversion table
Standard reference values for converting us cups to milliliters:
| US Cup [cup] | Milliliter [mL] |
|---|---|
| 0.01 | 2.365882365 |
| 0.1 | 23.65882365 |
| 1 | 236.5882365 |
| 2 | 473.176473 |
| 3 | 709.7647095 |
| 4 | 946.352946 |
| 5 | 1182.9411825 |
| 10 | 2365.882365 |
| 20 | 4731.76473 |
| 30 | 7097.647095 |
| 40 | 9463.52946 |
| 50 | 11829.411825 |
| 100 | 23658.82365 |
| 500 | 118294.11825 |
| 1000 | 236588.2365 |
Frequently asked questions
How many milliliters is 1 us cup?
How do I convert us cups to milliliters?
How do I convert milliliters back to us cups?
How many milliliters is 100 us cups?
Popular volume unit conversions
Convert US Cup to other volume units
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Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 cup = 236.5882365 mL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.