FDA Serving Size Calculator (RACC)
Look up any food category's official FDA serving size (RACC) — or enter your product's weight and get a compliant label serving size instantly. For example, the RACC for cookies is 30 g, so the Nutrition Facts serving size is the whole number of cookies whose weight comes closest to 30 g.
What is a Reference Amount Customarily Consumed (RACC)?Pick a food category to calculate its serving size.
Enables servings-per-container + the dual-column check.
Choose a category and enter the product's weight to see its FDA serving size — the result appears here.
Reference table· What's the FDA serving size for each General (4+ years) food category?
Doing this for a real label?
Paste in a recipe. Get the whole Nutrition Facts panel — serving size, servings per container, and every %DV calculated automatically.
Authoritative sources: 21 CFR 101.12 — reference amounts (RACC), 21 CFR 101.9(b) — serving-size conversion, and FDA: Serving Size on the Nutrition Facts label.
For informational purposes only; verify against 21 CFR 101.12 / 101.9(b). · US Nutrition Label Rules v1.3.0 · CFR snapshot 2026-02-12