Cups (US legal) to Grams Converter

Convert cups (us legal) to grams for cooking measurements.

Share this tool

Embed in your site

Common cooking measurement units

US legal cup (cup)

Definition: A US legal cup is defined as exactly 240 milliliters.

History/origin: The legal cup exists mainly for US food labeling and regulatory consistency rather than traditional home cooking.

Current use: US legal cups appear on nutrition labels and in some official food packaging contexts.

Gram (g)

Definition: The gram is a small metric weight unit. One kilogram contains exactly 1,000 grams, making grams convenient for everyday recipe quantities.

History/origin: As metric weighing spread through commerce and domestic kitchens, the gram became the default precise unit for small food portions and ingredients.

Current use: G is common on digital scales, packaged foods, flour and sugar measurements, coffee recipes, diet tracking, and baking instructions that need repeatable amounts.

Related articles