Insoluble Fiber — FDA label rounding
Insoluble Fiber 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)(6)(i)(B).
Insoluble Fiber rounding rules
Amount
Insoluble Fiber is declared to the nearest 1g — measuring finer than that changes nothing on the label.
| Amount range | Rounding rule |
|---|---|
| 0 to <0.5 | declared as 0g |
| 0.5 to <1 | less than 1g |
| ≥1 | nearest 1g |
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.
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 Insoluble Fiber?
Insoluble Fiber 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 dietary fiber rounded on a Nutrition Facts label?
A statement of the number of grams of total dietary fiber in a serving, indented and expressed to the nearest gram, except that if a serving contains less than 1 gram, declaration of dietary fiber is not required or, alternatively, the statement "Contains less than 1 gram" or "less than 1 gram" may be used, and if the serving contains less than 0.5 gram, the content may be expressed as zero.
How is insoluble fiber rounded on a Nutrition Facts label?
Insoluble fiber content shall be indented under dietary fiber and expressed to the nearest gram, except that if a serving contains less than 1 gram, the statement "Contains less than 1 gram" or "less than 1 gram" may be used as an alternative, and if the serving contains less than 0.5 gram, the content may be expressed as zero.
Note: Insoluble fiber is declared voluntarily, except where a claim about it is made.
How do I find out how much insoluble fiber is in a food?
A Daily Value is a reference target, not a measurement of any particular food. To find the insoluble fiber 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.
Other nutrients
Every nutrient a Nutrition Facts label can carry, with the FDA rounding rules that govern it.
Vitamins & minerals
Macronutrients
Voluntary — no Daily Value
- Insoluble Fiber
- Monounsaturated fat
- Polyunsaturated fat
- Soluble Fiber
- Sugar alcohol
For informational purposes only; verify against § 101.9(c)(6)(i)(B). · US Nutrition Label Rules v1.3.0 · CFR snapshot 2026-02-12