Convert Milliliter to US Cup
Convert milliliters to us cups instantly. 1 milliliter = 0.0042267528 us cup — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Cup to Milliliter converter for the reverse conversion.
Units explained
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
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 to US Cup conversion formula
The relationship between milliliters and us cups:
To convert milliliters to us cups, multiply the value in milliliters by 0.0042267528. To reverse, multiply us cups by 236.5882365.
How to use this converter
Type a value into the calculator. The result in us cups updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Cup to Milliliter converter for the reverse direction.
Step-by-step: convert milliliters to us cups
- Write down the value in milliliters (mL).
- Multiply that value by the factor 0.0042267528.
- The product is the equivalent value in us cups (cup).
- To reverse, multiply the us cup value by 236.5882365.
Worked examples
Example 1 — Convert 1 mL to cup:
1 × 0.0042267528 = 0.0042267528 cup
Example 2 — Convert 100 mL to cup:
100 × 0.0042267528 = 0.4226752838 cup
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 milliliters), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 mL × 0.0042267528 = 0.0126802585 cup
Real-world example — Plastic-film thickness alternates
A 150-milliliter plastic film converts cleanly to us cups — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 mL × 0.0042267528 = 0.6340129257 cup
Real-world example — Hair-width scale measurements
A 70-milliliter measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like us cups for direct comparison across supplier datasheets.
70 mL × 0.0042267528 = 0.2958726986 cup
Milliliter to US Cup conversion table
Standard reference values for converting milliliters to us cups:
| Milliliter [mL] | US Cup [cup] |
|---|---|
| 0.01 | 4.226753e-5 |
| 0.1 | 0.0004226753 |
| 1 | 0.0042267528 |
| 2 | 0.0084535057 |
| 3 | 0.0126802585 |
| 4 | 0.0169070114 |
| 5 | 0.0211337642 |
| 10 | 0.0422675284 |
| 20 | 0.0845350568 |
| 30 | 0.1268025851 |
| 40 | 0.1690701135 |
| 50 | 0.2113376419 |
| 100 | 0.4226752838 |
| 500 | 2.1133764189 |
| 1000 | 4.2267528377 |
Frequently asked questions
How many us cups is 1 milliliter?
How do I convert milliliters to us cups?
How do I convert us cups back to milliliters?
How many us cups is 100 milliliters?
Popular volume unit conversions
Convert Milliliter to other volume units
Show all Milliliter conversions
Metric / SI (13 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 mL = 0.0042267528 cup) 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.