Convert kilograms to cups (us legal) for cooking measurements.
Definition: A kilogram is the SI base unit of mass and equals 1,000 grams.
History/origin: The kilogram was introduced with the metric system and became the global standard for larger masses in trade and daily life.
Current use: Kilograms are used for bulk ingredients, produce, flour sacks, sugar bags, and large food quantities.
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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