Polyunsaturated fat — FDA label rounding

Polyunsaturated fat has no FDA Daily Value and is declared voluntarily — it appears on a Nutrition Facts label only when a manufacturer chooses to list it, or when a related claim requires it. It does have a rounding rule, set by § 101.9(c)(2)(iii).

Polyunsaturated fat rounding rules

Amount

Amount rounding rules for this nutrient, with the paragraph of 21 CFR 101.9 that sets them
Amount rangeRounding rule
0 to <0.5declared as 0g
0.5 to 5nearest 0.5g
≥5nearest 1g
Source

Doing this math for a real label?

Paste in a recipe. Get the whole Nutrition Facts panel — every %DV calculated automatically, every number shows its work.

Get Early Access

Frequently asked questions

Every figure on this page traces to a paragraph of 21 CFR 101.9. These are those paragraphs, in full.

What is the FDA Daily Value for Polyunsaturated fat?

Polyunsaturated fat has no established FDA Daily Value, so it never carries a %DV on the Nutrition Facts label — it is still declared under 21 CFR 101.9.

How is polyunsaturated fat rounded on a Nutrition Facts label?

Polyunsaturated fat content shall be indented and expressed as grams per serving to the nearest 0.5 (1/2) gram increment below 5 grams and to the nearest gram increment above 5 grams. If the serving contains less than 0.5 gram, the content shall be expressed as zero.

Note: Polyunsaturated fat is declared voluntarily, except where a fatty-acid claim is made.

Read on eCFR

How do I find out how much polyunsaturated fat is in a food?

A Daily Value is a reference target, not a measurement of any particular food. To find the polyunsaturated fat content of a specific ingredient or product, look it up in USDA FoodData Central, then use that amount here to see what a label would declare and what %DV it carries.

Search USDA FoodData Central

Other nutrients

Every nutrient a Nutrition Facts label can carry, with the FDA rounding rules that govern it.

Voluntary — no Daily Value

For informational purposes only; verify against § 101.9(c)(2)(iii). · US Nutrition Label Rules v1.3.0 · CFR snapshot 2026-02-12

Report an issue with this page