Volume converter
Milliliters to US Cups
Converting Milliliters to US Cups is a single multiplication when you know the factor. One mL equals 0.00422675 cup, so multiply the value in mL by 0.00422675. The calculator below works in both directions and accepts decimals.
Formula 1 mL = 0.00422675 cup
Need the other direction? US Cups to Milliliters.
How to convert Milliliters to US Cups
The millilitre is one thousandth of a litre and is the usual unit for liquids in cooking and medicine. The US customary cup is 236.588 millilitres; metric and imperial cups differ.
To convert Milliliters to US Cups, multiply the value in mL by 0.00422675. For example, 10 mL × 0.00422675 = 0.04226753 cup. This works because the ratio between the two units is constant for every value in volume.
Worked examples
| mL | cup |
|---|---|
| 1 mL | 0.00422675 cup |
| 2.5 mL | 0.01056688 cup |
| 5 mL | 0.02113376 cup |
| 10 mL | 0.04226753 cup |
| 25 mL | 0.10566882 cup |
| 50 mL | 0.21133764 cup |
| 100 mL | 0.42267528 cup |
Reverse conversion
| cup | mL |
|---|---|
| 1 cup | 236.588237 mL |
| 5 cup | 1,182.94 mL |
| 10 cup | 2,365.88 mL |
| 25 cup | 5,914.71 mL |
| 50 cup | 11,829.41 mL |
| 100 cup | 23,658.82 mL |
When this conversion is useful
This is the calculation you need when you are cooking, dosing a liquid or planning a shipment and the units do not match. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 mL is 4.226753 cup.
Is the conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
mL to cup conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| Milliliters (mL) | US Cups (cup) |
|---|---|
| 1 mL | 0.00422675 cup |
| 2 mL | 0.00845351 cup |
| 3 mL | 0.01268026 cup |
| 4 mL | 0.01690701 cup |
| 5 mL | 0.02113376 cup |
| 6 mL | 0.02536052 cup |
| 7 mL | 0.02958727 cup |
| 8 mL | 0.03381402 cup |
| 9 mL | 0.03804078 cup |
| 10 mL | 0.04226753 cup |
| 11 mL | 0.04649428 cup |
| 12 mL | 0.05072103 cup |
| 13 mL | 0.05494779 cup |
| 14 mL | 0.05917454 cup |
| 15 mL | 0.06340129 cup |
| 16 mL | 0.06762805 cup |
| 17 mL | 0.0718548 cup |
| 18 mL | 0.07608155 cup |
| 19 mL | 0.0803083 cup |
| 20 mL | 0.08453506 cup |
| 21 mL | 0.08876181 cup |
| 22 mL | 0.09298856 cup |
| 23 mL | 0.09721532 cup |
| 24 mL | 0.10144207 cup |
| 25 mL | 0.10566882 cup |
| 26 mL | 0.10989557 cup |
| 27 mL | 0.11412233 cup |
| 28 mL | 0.11834908 cup |
| 29 mL | 0.12257583 cup |
| 30 mL | 0.12680259 cup |
| 31 mL | 0.13102934 cup |
| 32 mL | 0.13525609 cup |
| 33 mL | 0.13948284 cup |
| 34 mL | 0.1437096 cup |
| 35 mL | 0.14793635 cup |
| 36 mL | 0.1521631 cup |
| 37 mL | 0.15638985 cup |
| 38 mL | 0.16061661 cup |
| 39 mL | 0.16484336 cup |
| 40 mL | 0.16907011 cup |
| 41 mL | 0.17329687 cup |
| 42 mL | 0.17752362 cup |
| 43 mL | 0.18175037 cup |
| 44 mL | 0.18597712 cup |
| 45 mL | 0.19020388 cup |
| 46 mL | 0.19443063 cup |
| 47 mL | 0.19865738 cup |
| 48 mL | 0.20288414 cup |
| 49 mL | 0.20711089 cup |
| 50 mL | 0.21133764 cup |
| 60 mL | 0.25360517 cup |
| 70 mL | 0.2958727 cup |
| 80 mL | 0.33814023 cup |
| 90 mL | 0.38040776 cup |
| 100 mL | 0.42267528 cup |
Frequently asked questions
How many US Cups are in 1 Milliliters?
1 mL equals 0.00422675 cup.
How do I convert Milliliters to US Cups?
Multiply the mL value by 0.00422675. Example: 25 mL = 0.10566882 cup.
What is 2.5 mL in cup?
2.5 mL = 0.01056688 cup.
Is the mL to cup conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.