Data utility

Protein Portion Calculator

This calculator converts a protein target you select into an approximate amount of one specified food. It does not determine personal protein requirements.

Choose a food. Set a target. See the portion.

Convert a protein target you choose into an approximate amount of one specified food.

Your selected target

≈135 g

≈4.7 oz · ≈140 kcal

Chicken breast, boneless, skinless, raw

Source: USDA FoodData Central · FDC ID 2646170 · retrieved 2026-08-14

Approximate value. Calculated from the selected USDA FoodData Central record. Actual nutrition varies by product, preparation, and serving.

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View this ingredient’s reference page

Try another food while keeping the same target to compare portions. For data details, see methodology.