Food database · Legumes & beans
Protein content
A 1 cup drained and rinsed serving of canned kidney beans contains 12.8 g of protein - a good source of protein, about 26% of the 50 g Daily Value.
Share of this food's calories that come from protein - it is moderately protein-dense.
| Serving | 1 cup drained and rinsed (158 g) |
|---|---|
| Protein per serving | 12.8 g |
| Protein per 100 g | 8.12 g |
| Calories per serving | 191 kcal |
| Protein density | 27% of calories |
| Share of 50 g Daily Value | 26% |
| Protein quality | Incomplete protein |
| Category | Legumes & beans |
| Food type | Prepared / processed |
| USDA record | FoodData Central #175243 |
A typical 1 cup drained and rinsed serving of canned kidney beans contains 12.8 grams of protein (8.12 g per 100 g), which makes it a good source of protein. That covers roughly 26% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
Around 27% of the calories in canned kidney beans come from protein, so it is moderately protein-dense. It contributes to a day's protein total, but the bulk of what it delivers is energy rather than amino acids - treat it as a contributor alongside a denser source, not as the protein in a meal.
Among the 54 legumes in the database, canned kidney beans ranks 31st by protein per serving, and 282nd out of all 796 foods on the site. Set against black gram (urad dal), another legume entry in the database, a serving carries about 0.8 g less protein (black gram (urad dal) has 13.6 g per 1 cup cooked).
It is an incomplete protein on its own; pairing it with other plant foods across the day covers the full range of essential amino acids. The serving above is measured by volume at 158 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #175243 - "Beans, kidney, red, mature seeds, canned, drained solids, rinsed in tap water" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Canned kidney beans has 8.12 g of protein per 100 g. A typical 1 cup drained and rinsed serving (158 g) provides 12.8 g.
No. Canned kidney beans is an incomplete protein on its own; pairing it with other protein sources across the day covers the full range of essential amino acids.
A 1 cup drained and rinsed serving of canned kidney beans contains 12.8 g of protein, about 26% of the 50 g reference Daily Value.
Canned kidney beans is a good source of protein, and about 27% of its calories come from protein, which makes it moderately protein-dense. Set against black gram (urad dal), another legume entry in the database, a serving carries about 0.8 g less protein (black gram (urad dal) has 13.6 g per 1 cup cooked).
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