How much protein is in 1 cup of boiled kidney beans?
15 grams of protein in 1 cup
| Portion | Protein |
|---|---|
| 1 tablespoon | 1 gram of protein in 1 tablespoon |
| 100 g | 8.7 grams of protein in 100 g |
See everything in a serving of Kidney beans, boiled, no salt
Where these numbers come from
USDA FoodData Central, SR Legacy, record 175194. The source describes it as: Beans, kidney, red, mature seeds, cooked, boiled, without salt.
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).