Spices

Ground vs whole spices pack differently and vary by particle size. Use the exact form for accurate grams.

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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

Ground vs whole spices change grams per tsp (USDA FDC).
Toast level shifts moisture and mass slightly (USDA FDC).
Particle size affects packing density (USDA FDC).

Last updated: 2026-01-05

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Turmeric, ground turmeric ground

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