Metric Cups to Milliliters Converter
Enter the volume in metric cups below to convert it to milliliters.
Convert Metric Cups to Milliliters
Enter a value in metric cups (cup (metric)) to convert to milliliters (mL).
Cup to Milliliter Conversion Table
Table showing various cup measurements converted to milliliters. Click any preset value or arrow to load it into the converter.
How to Convert Metric Cups to Milliliters
To convert metric cups to milliliters, multiply the volume by the following conversion ratio: 250 milliliters/cup.
Since one cup is equal to 250 milliliters, you can use this simple formula to convert:
The volume in milliliters is equal to the volume in metric cups multiplied by 250.
For example, here's how to convert 2 metric cups to milliliters using the formula above.
How Many Milliliters Are in a Cup?
There are 250 milliliters in a cup, which is why we use this value in the formula above.
Our cup to milliliter calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Metric Cups and milliliters are both units used to measure volume. Keep reading to learn more about each unit.
What Is a Cup?
A cup is a unit of volume equal to 1/4 of a liter (0.25 L). International metric culinary cup equal to 250 milliliters. [1]
The cup is classified as a metric and SI-compatible unit of volume. Metric Cups can be abbreviated as cup (metric); for example, 1 cup can be written as 1 cup (metric).
When working with metric cups (cup (metric)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, metric cups (cup (metric)) are widely used across standard volume applications within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Milliliter?
A milliliter is a unit of volume equal to 1/1,000 of a liter (0.001 L). One-thousandth of a liter, identical to 1 cubic centimeter (cc). [2]
The milliliter is classified as a metric and SI-compatible unit of volume. Milliliters can be abbreviated as mL; for example, 1 milliliter can be written as 1 mL.
In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the milliliter (mL) a convenient decimal multiple of the liter (L).
In practice, milliliters (mL) are widely used across fine-tolerance laboratory, analytical, and micro-scale volume measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting volume between metric cups (cup (metric)) and milliliters (mL), keep full floating-point precision (1 cup (metric) = 250 mL; 1 mL = 0.004 cup (metric)) during intermediate calculations and round only the final milliliter figure to match your instrument tolerance.
More Metric Cup & Milliliter Conversions
Need to calculate in the opposite direction? Use our milliliters to metric cups converter (mL to cup (metric)) to switch your starting unit immediately. You can also explore related tools such as converting fluid ounces (us) to milliliters, converting cups (us) to milliliters, or converting metric cups to cups (us).
Convert from Metric Cups
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Metric Cups (cup (metric)) to Milliliters (mL)
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Cup (Metric) (cup (metric)) & Milliliter (mL)
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (cup (metric) to mL)