US Cup to Millilitre Converter
Convert cups to ml instantly. Free cups to ml calculator with formula, examples and FAQs.
Quick answer
1 cups equals 236.588 ml. To convert cups to ml, multiply the cups value by 236.588 — so 10 cups = 2365.88 ml. This factor is exact, and the reverse conversion (ml to cups) simply divides by 236.588 instead of multiplying.
Converted value
236.59
1.00 cups = 236.59 ml
What is cups to ml?
cups to ml is a volume conversion: the measured amount does not change, just the way it is expressed. It matters most to bakers and home cooks. A single conversion factor (ml = cups × 236.588) handles any value, large or small.
Real-world uses: why convert cups to ml?
Converting cups to ml bridges two ways of measuring the same thing. People do it most often when measuring flour, sugar and liquids precisely, and on the receiving side when dosing medicine and supplements. Having the exact value — not a rough estimate — prevents costly mistakes in paperwork, purchases and planning.
- •Scaling US recipes for metric kitchens.
- •Measuring flour, sugar and liquids precisely.
- •Converting drink recipes to millilitres.
- •Following American baking instructions.
- •Dosing medicine and supplements.
Who uses this conversion?
How the cups to ml conversion is calculated
This is the same arithmetic that calculators and search engines use — no rounded shortcuts.
ml = cups × 236.588
- Both cups and ml are defined in terms of the same base unit, the litre.
- 1 cups = 0.23658824 litre, and 1 ml = 0.001 litre.
- Divide one definition by the other to get the conversion factor: 0.23658824 ÷ 0.001 = 236.5882.
- So ml = cups × 236.588. Multiply any cups value by 236.5882 to get the result in ml.
Precision: The US unit definitions used here are exact, so the result is exact. We round the displayed figure to four decimal places.
Example calculations
- •1 cups = 236.5882 ml
- •2 cups = 473.1765 ml
- •4 cups = 946.3529 ml
cups to ml quick reference table
Common cups values converted to ml, each calculated with the exact factor.
| cups | ml |
|---|---|
| 10 | 2365.8824 |
| 25 | 5914.7059 |
| 50 | 11829.4118 |
| 100 | 23658.8236 |
| 250 | 59147.0591 |
| 500 | 118294.1182 |
| 1000 | 236588.2365 |
| 2500 | 591470.5912 |
| 5000 | 1182941.1825 |
| 10000 | 2365882.365 |
Common mistakes to avoid
- •Reading the result the wrong way round. Confirm the answer is in ml, not cups, before you rely on it.
- •Truncating instead of rounding, which compounds error across larger cups values.
- •Confusing US and metric measures — a US cup, US gallon and imperial gallon are all different sizes.
Common questions about volume conversions
Is this volume conversion exact?
Yes for defined units — 1 US gallon = 3.785411784 L and 1 US cup = 236.5882365 ml are exact. Just note that US and imperial gallons and cups are different sizes.
Why do my results differ?
The biggest cause is confusing US, imperial and metric measures, or using a rounded factor. We apply the exact US definitions throughout.
Metric or US units for volume?
Metric (litres, ml) is global; US customary (gallons, cups) is American. Always check whether a recipe means a US cup or a metric cup.
Can I round the result?
Yes — cooking tolerates rounding to whole ml or a fraction of a cup. Fuel and laboratory volumes may need more precision.
History of these units
History of the US cup
US customary
The US customary cup was standardised at 8 US fluid ounces — about 236.6 ml — for cooking. It is the dominant volume measure in American recipes.
History of the millilitre
metric
The millilitre is one-thousandth of a litre and equal to one cubic centimetre. It is the everyday unit for medicine doses, recipes and small liquid measures.
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Frequently asked questions
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