1 Cup to Grams
1 cup of flour, sugar, or butter all weigh different amounts. Pick the ingredient below to convert 1 cup to grams.
US = 240 ml, metric = 250 ml.
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How the conversion works
The weight of 1 cup depends on the ingredient — flour, sugar, butter, and cocoa powder all weigh different amounts per cup. Use the ingredient picker above for the most accurate estimate.
Assumptions
- Densities are approximate. Flour can vary 10–15% by measurement technique.
- Cup volume defaults to US (240 ml). Toggle above for metric (250 ml).
- Results are rounded to a useful precision, not full float-point values.