Factors come from the stored source family and are not derived from rounded display values.
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Kitchen, cups, millilitres and recipe values
Cups and millilitres are volume. Dry ingredients also need density or a recipe source.
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Unit console
Конвертер единиц с формулой, контекстом и точностью
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Объем
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Volume is robust for liquids. For dry ingredients it does not replace weighing because density and packing vary.
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UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.
Do not use as the sole basis for official, medical, safety-critical or contractual decisions.
Citation note: UnitCloud, conversion with formula, sources current as of May 2026. Объем. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.
Common questions
Is a cup always 250 ml?
Cups and millilitres are volume. Dry ingredients also need density or a recipe source.
When do I need grams instead of millilitres?
Cups and millilitres are volume. Dry ingredients also need density or a recipe source.
What is the factor for Cup to Millilitre?
1 cup = 236,5882365 ml
Which formula does Cup to Millilitre use?
US cup. Then the value is converted through the base unit l into Millilitre.