Convert grams to cups (us legal) for cooking measurements.
Definition: A gram is a metric unit of mass equal to one thousandth of a kilogram.
History/origin: The gram was standardized with the metric system and became the most practical small mass unit for food and kitchen measurements.
Current use: Grams are used worldwide in recipes, baking, nutrition labels, and kitchen scales.
Definition: The US legal cup is a regulatory volume measure, not the usual home-cooking cup. Its value is exactly 240 mL.
History/origin: Food labeling rules needed a clean, consistent serving-size measure, so regulators defined a cup value that differs slightly from the customary kitchen cup.
Current use: The legal cup is used in US nutrition facts, serving-size references, packaged-food compliance, and official calculations where exact label values matter.
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