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Serving Size & %DV Label Converter

Nutrition label calculator

Convert cached FDC records into serving-size and %DV label views

Select a locally cached food, enter the serving size in grams, and review an educational label-style nutrition panel with source links and Daily Value context.

Serving Size & %DV Label Converter uses cached USDA/FDC nutrient records, editable serving grams, FDA-style Daily Value references, and visible source links. It does not call USDA live from the frontend.

Food basiscached FDC recordSource link preserved.
Serving basiseditable gramsPer-100 g values are scaled.
Label basis% Daily Value estimateEducational FDA-style context.

Best use

  • Create label-style examples for food profiles, serving guides, and editorial drafts.
  • Compare how a 30 g, 50 g, or 100 g serving changes the user-facing nutrition view.
  • Use SR Legacy records for stable generic examples whenever possible.

Source and safety model

The output depends on cached source data, serving grams, and Daily Value reference assumptions. For packaged products, always verify against the current label before publication.

Cache-only label workspace

Build a label-style serving view

Search your local food cache, choose a record, set serving grams, and export the resulting label estimate.

No live USDA frontend calls

Select a cached food record to begin.

Label preview

Nutrition Facts-style output will appear here

The preview will show per-serving values, %DV where available, source links, and a short educational disclaimer.