Cooked beans average 7–10 g protein per 100 g; soybeans can reach ~18 g, so your beans protein cooked total varies by type and portion.
Looking for reliable numbers on protein in cooked beans? This guide gives you clear, tested figures you can use for meal planning. You’ll see how much protein shows up per 100 grams, what a half-cup portion delivers, why cooking changes the count, and easy ways to raise your bean protein at the table without changing what you love to eat. The figures below reflect widely used entries from USDA FoodData Central as compiled by MyFoodData (see Cooked Black Beans — 100 g view for a representative reference).
Beans Protein Cooked Per 100 Grams: Quick Table
Protein values below are for cooked, drained beans unless noted. Small shifts happen across brands and cooking styles, but the pattern is steady: most beans cluster around 8–10 g per 100 g, while soybeans sit higher.
| Bean (Cooked) | Protein (g per 100 g) | Notes |
|---|---|---|
| Black beans | 8.9 | Boiled, drained. |
| Kidney beans | 8.8 | Boiled, drained. |
| Chickpeas (garbanzo) | 8.9 | Boiled, drained. |
| Lentils | 9.1 | Boiled, drained. |
| Navy/small white beans | 8.7–8.9 | Boiled, drained. |
| Pinto beans | ~9.0 | Boiled, drained. |
| Soybeans (mature) | 18.6 | Boiled; higher protein density. |
| Edamame (green soybeans) | ~12 | Boiled; immature soybeans. |
What Changes The Protein You Get From Beans?
Two plates can look the same but land different protein totals. The big movers are water gain during cooking, serving size, and whether you started from canned or from dry. Texture, salt, and simmer time steer mouthfeel far more than protein loss.
Water Uptake And Yield
As beans cook, they absorb water and swell. That extra water lowers protein per 100 g even though total protein in the pot stays the same. That’s why a dry-weight label looks higher than a cooked-weight label. When you compare like-for-like cooked weights, most beans sit in the same 8–10 g band, with soybeans as the outlier. Add broth or sauce and the number per spoonful drops again because you’re scooping more liquid per bite.
Canned Vs. Home-Cooked
Canned beans are cooked and ready. Rinse to reduce sodium and you’ll get very similar protein per portion. Many brands sit within a gram or two of the values you’d see from a pot of beans you cooked yourself. Differences mostly come from how soft the beans are and how much liquid you drain away.
Portion Size Matters
Protein per 100 g is a handy yardstick for recipes, but most people scoop by volume. A half-cup of cooked beans is a common serving and usually lands near 7–9 g protein for most varieties, and near 16 g for cooked soybeans. If an entrée needs a bigger push, scale up to a full cup and the math is simple: you double the protein.
How Much Protein Is In Common Portions?
The numbers below use cooked half-cup portions, which match everyday scoops in bowls, wraps, and burritos. They align with standard reference entries from the same USDA dataset cited earlier. For context on serving equivalents, U.S. guidance counts ¼ cup cooked beans as 1 ounce-equivalent in the Protein Foods Group when you need to meet that target.
Half-Cup Protein Estimates
- Black beans: ~7.3–7.6 g
- Kidney beans: ~7.5–7.8 g
- Chickpeas: ~7–8 g
- Lentils: ~9 g
- Navy beans: ~7.5 g
- Pinto beans: ~7.5–8 g
- Soybeans (mature): ~16 g
Digestibility And Amino Acid Quality
Protein “quality” describes how well a food’s amino acids match what the body needs and how well that protein is digested. Typical cooked beans show amino acid scores in the 50–60% range, while soybeans sit much higher and often top common scoring systems. That difference doesn’t make other beans “bad” protein; it just means you’ll do best with variety across the day. Pair beans with grains, seeds, nuts, dairy, or soy and you’ll round out the amino acid mix without thinking about it.
Beans Protein Cooked In Daily Meals: Simple Ways To Raise It
Want more protein without changing your menu? Keep the meals you love and nudge the numbers with these tweaks.
Build Smart Combos
- Beans + whole grains: red beans with brown rice, black beans with quinoa, lentil pasta with chickpeas.
- Beans + seeds or nuts: pumpkin seeds over chili, tahini in chickpea salads, walnuts in lentil bolognese.
- Beans + dairy or soy: a spoon of yogurt over chana masala, tofu cubes in a bean stir-fry, edamame tossed into noodle bowls.
Boost The Serving Size
Move from a half-cup to a full cup and you double the protein. That one step shifts black beans from roughly 7–8 g up to 14–16 g, or lentils from about 9 g to 18 g. Soybeans jump from around 16 g to roughly 31 g per cup.
Choose Higher-Protein Beans When It Fits
Swapping chickpeas for lentils or soybeans in a stew can raise the total without new ingredients. Keep textures in mind: lentils hold shape in soups; soybeans are chewier and richer; navy beans stay mild and creamy for purées.
Mind The Recipe Form
If you blitz beans into dips, the protein stays. If you thin a soup with lots of stock, your protein per spoon goes down even though the total in the pot is the same. When you need a higher hit, aim for thicker stews, chili, or bean-heavy salads.
Second Look Table: Protein By Everyday Portions
This table puts common cooked serving sizes on one line so you can plan without a calculator. Use it to eyeball bowls, burritos, and batch-cooked lunches.
| Bean (Cooked) | Protein (per 1/2 cup) | Protein (per 1 cup) |
|---|---|---|
| Black beans | ~7.3–7.6 g | ~15 g |
| Kidney beans | ~7.5–7.8 g | ~15–16 g |
| Chickpeas | ~7–8 g | ~14–15 g |
| Lentils | ~9 g | ~18 g |
| Navy beans | ~7.5 g | ~15 g |
| Pinto beans | ~7.5–8 g | ~15–16 g |
| Soybeans (mature) | ~16 g | ~31 g |
Cooking Tips That Keep Protein On Track
Soak Dry Beans Well
Soak 8–12 hours, then drain and rinse. It cuts cook time and makes beans easier to tolerate. Soaking doesn’t “wash away” protein; it simply hydrates the seed and helps even cooking.
Salt Early Enough
A bit of salt during cooking helps skins stay intact and improves texture. It doesn’t reduce protein. If you’re watching sodium, rinse canned beans and season at the table.
Use Pressure Wisely
Pressure cookers shorten the path from dry to tender. Protein remains stable. Watch liquid levels so beans cook through without scorching; a quick-release can burst soft beans.
Batch Cook For The Week
Make a large pot on the weekend and cool quickly. Store cooked beans in shallow containers in the fridge for four days or freeze for three months. A standard home can tops out at roughly 240–250 g of drained beans; two cans supply about 30–32 g of protein for most types.
Quick Comparisons And Use Cases
Best for soups: Lentils and navy beans hold pleasant texture and give steady protein without getting mealy. Best for salads: Chickpeas and black beans bring bite and keep shape when dressed. Highest protein per bite: Mature soybeans and firm tofu win here; they slot into bowls and stir-fries where extra chew works.
When you need a creamy base for a spread, white beans purée smoothly, and the protein adds up fast once you nudge the portion toward a full cup. For grain bowls, lean on a cup of lentils or soybeans to set a strong protein floor, then top with vegetables, seeds, and a tart dressing.
Storage And Cooking Safety
Cook beans until tender all the way through. Red kidney beans should be fully cooked; avoid undercooked or slow-cooker starts for dry red kidneys. Cool leftovers quickly, refrigerate within two hours, and reheat until steaming. When freezing, portion in flat bags so they thaw fast and keep texture in salads and sautés.
How Beans Stack Up Against Other Protein Foods
Per calorie, beans deliver protein alongside fiber and minerals. Animal foods bring more protein per bite, but they lack the fiber beans provide. If you’re shooting for roughly 0.8 g protein per kilogram of body weight a day, mix and match: a couple cups of beans plus eggs, dairy, soy, or grains can meet the mark comfortably without fuss. If you prefer to stay plant-based, lean more on soy foods and lentils, then fill the rest with high-fiber beans.
Simple 1-Day Bean-Forward Menu
Breakfast: Scramble with black beans and eggs or tofu; target 20–25 g protein.
Lunch: Lentil soup with a whole-grain roll; 18–25 g from a heaping cup of lentils plus the bread.
Snack: Edamame with sea salt; a cup of shelled edamame brings around 18 g.
Dinner: Red-bean chili over brown rice, or a chickpea pasta bowl with grilled vegetables; 20–30 g depending on portions.
Label Reading And Recipe Math
Use 100-Gram Benchmarks
For quick math while you cook, keep the 100 g benchmarks in mind. A 400 g can (drained to about 240–250 g of beans) yields roughly 20–22 g protein for most types. That makes it easy to budget protein into soups, curries, tacos, and salads without tracking apps.
Weigh After Cooking For Precision
If you track macros, weigh drained cooked beans and apply the 8–10 g per 100 g rule of thumb (or 18–19 g for cooked soybeans). Numbers stay consistent across cuisines because the bean itself sets the baseline; sauces change calories more than protein.
Bottom Line For Meal Planning
For steady protein from plants, beans are reliable and affordable. Most cooked varieties give you around 8–10 g per 100 g, and soybeans give more. Use the tables above to pick the type and portion that fits your plate. Two mentions of the exact phrase here help with clarity: beans protein cooked shows up in labels and searches, and seeing beans protein cooked in context makes serving choices easier.