Cup Measurement Converter
Cup Measurement Converter works out Converted amount and Result from Amount, Ingredient and Density if "something else". The default figures on this page give converted amount of 125.0000; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
3 steps
- 1 x 236.5882365 mL = 236.5882 mL
- 236.5882 mL x 0.528344 g/mL = 125 g
- 125 g / 1 g = 125
Figures from ingredient density tables, checked 31 August 2026. Its 4 worked examples are re-run on every release, last on 15 September 2026. What changed · how reference data is kept current
Sources and references
2 sources
What the Cup Measurement Converter calculates
Converts recipe quantities between volume and weight for a named ingredient - cups, tablespoons, teaspoons and millilitres to grams and ounces - using USDA measured densities.
How to use this Cup Measurement Converter
Enter Amount, Ingredient and Density if "something else". Converted amount updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Converted amount, Result and Weight in grams.
The method follows USDA FoodData Central, SR Legacy food portion data and NIST Handbook 44, Appendix C - General Tables of Units of Measurement.
What you can compare
Change one input at a time to see how it affects Converted amount, Result and Weight in grams. The inputs you can vary are Amount, Ingredient and Density if "something else".
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
See something wrong? Report a problem with this calculator
Frequently asked questions
Is 1 g equal to 1 cup?
Converts recipe quantities between volume and weight for a named ingredient - cups, tablespoons, teaspoons and millilitres to grams and ounces - using USDA measured densities. On the figures this page opens with — amount 1 — the converted amount is 125. Put your own figures in their place and the working updates beside the result.
Can I convert G to cups?
It needs Amount, Ingredient and Density if "something else". Nothing else is required, and the figures stay in your browser.
What does 1 cup equal in grams?
Converts recipe quantities between volume and weight for a named ingredient - cups, tablespoons, teaspoons and millilitres to grams and ounces - using USDA measured densities. On this page it is computed from Amount, Ingredient and Density if "something else" and shown as Converted amount, Result and Weight in grams.
Is 100 grams about 1 cup?
The result gives Converted amount, Result, Weight in grams, Weight in ounces, Volume in millilitres and Volume in US cups, each labelled with its unit so the figure can be read on its own.
What information do I need for the Cup Measurement Converter?
You need Amount, Ingredient and Density if "something else". The page opens with default figures that give converted amount of 125.0000, so you can see the scale before entering your own.
What does this Cup Measurement Converter show?
It shows Converted amount, Result, Weight in grams, Weight in ounces, Volume in millilitres, Volume in US cups, Density used and Grams per US cup, with the working and any warnings for your entries.