How much protein is in 1 cup of whole milk?

8.1 grams of protein in 1 cup

Protein in other portions of whole milk
Portion	Protein
100 g	3.3 grams of protein in 100 g

See everything in a serving of Milk, whole

Where these numbers come from

USDA FoodData Central, Foundation Foods, record 746782. The source describes it as: Milk, whole, 3.25% milkfat, with added vitamin D.

U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center. FoodData Central. [Internet]. [cited 11 October 2026]. Available from https://fdc.nal.usda.gov/. Releases used: Foundation Foods, April 2026; SR Legacy, April 2018; Survey Foods (FNDDS 2021-2023), October 2024.

Data built on 11 October 2026 (data-2026-10-11).

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