A typical serving of pinto beans (1 cup, 171 g) has about 245 calories. Per 100 g: 143 kcal, 9 g protein, 26.2 g carbs, 0.7 g fat. The same 100 g carries 9 g of fiber and 0.3 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup | 171 g | 245 kcal |
| 1 tbsp | 11 g | 15 kcal |
| 100 g | 100 g | 143 kcal |
The refried-bean base, though plain boiled pintos carry no added fat at all. On the energy-density scale, 143 kcal per 100 g puts pinto beans at the moderate end. Protein density is strong: about 6.3 g of protein per 100 calories.

A typical serving (1 cup, 171 g) has about 245 calories, and 100 g has 143 kcal. Calories scale with weight, so double the portion means double the number.
There are 9 g of protein in 100 g of pinto beans, which works out to about 15.4 g per serving (1 cup). It contributes meaningful protein, though most of the calories come from elsewhere.
There are 26.2 g of carbohydrate per 100 g of pinto beans, or about 45 g in 1 cup (171 g).
Every value on this page comes from USDA FoodData Central, entry 175200 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Nutrition data: USDA FoodData Central, FDC ID 175200 (SR Legacy). Serving calories are computed from the per-100-g values.