Category
powder
Ingredient-specific density tables and conversions.
Source: USDA FoodData Central
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Cluster composition
This category covers 3 ingredients. The dominant attribute clusters are dry powders and leaveners and dry_powder.
- dry powders and leaveners — 2 ingredients
- dry_powder — 1 ingredient
Primer
These category tables convert volume to mass using ingredient-specific densities. Use weight for precision; volume varies with packing, cut, and temperature.
Methodology
- Density references are summarized from U.S. government sources (USDA FoodData Central, USDA FNDDS) and lab-standard data when available.
- Conversions keep higher-precision intermediates and round to practical kitchen values.
- Default volume is the US cup unless a page explicitly uses metric or UK standards.
Unit standards
- Mass: grams (g).
- Volume: mL, US cup, tbsp, tsp.
- Assumed temperature: room temperature unless stated otherwise.
Sources (.gov)
Examples and edge cases
- Flour: sifted vs. packed can shift grams per cup.
- Brown sugar: packed vs. loose changes mass at the same volume.
- Butter: softened vs. cold affects density and volume fill.
- Chopped vs. whole pieces change void space in a cup.
Last updated: 2026-08-31