US Cups to Millilitres Converter

Convert cup to mL instantly — 1 cup = 236.5882365 mL. Free, browser-only tool.

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This free volume converter changes US cups (cup) into millilitres (mL) and back, instantly and in your browser. It is one of the most common kitchen conversions when following a US recipe with metric measuring tools, or vice versa.

How it works

The conversion uses the exact definition of the US customary cup: 1 cup = 236.5882365 mL. To convert cups to millilitres you multiply by that factor; to go the other way you divide by it:

millilitres = cups × 236.5882 · cups = millilitres ÷ 236.5882

Note this is the US customary cup. A metric cup is 250 mL, so make sure you know which standard your recipe uses.

Example

Convert 2 cups to millilitres:

2 × 236.5882 = 473.18 mL

The reference table below shows common conversion values at a glance. All calculations run entirely in your browser with no data sent to any server.

US Cups (cup)Millilitres (mL)
1 cup236.5882 mL
5 cup1182.94 mL
10 cup2365.88 mL
100 cup23658.82 mL
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