Nutrition
Volume to Gram Portion Conversion
Volume to gram portion conversion needs food-specific density—photo models guess volume then apply averages, which fails on compact or water-rich foods.
Volume to gram portion conversion translates cups and scoops into weight using food density—a cup of cooked rice differs from a cup of oats; leafy greens weigh far less than the cup suggests. Photo models infer volume from area then apply average densities, which fails on compacted or water-rich foods.
Prefer grams in logs for carbs and fats you care about.
Common questions
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Why do cups and photos disagree on the same meal?
Cups measure volume, databases often list grams, and photos estimate area—not density. Weigh cooked staples once and log grams to end the mismatch.
Related terms
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