Not Keto
Black Beans
12.90g net carbs per 1/2 cup cooked
Black beans pack 12.9 g net carbs into a single half-cup, which can eat most of a strict keto carb budget in one go. Save them for higher-carb days and lean on low-carb sides like cauliflower rice or sauteed spinach instead.
Built by Barron Hansen · Last updated July 2026
Nutrition Facts
Fits My Daily Budget?
Set your daily net carb limit to see how one serving fits.
One serving uses 65% of your 20g daily budget.
Plan the rest of your day
Good to Know
Canned versions are the bigger trap here. Check the label for added sugar, and watch seasoned or "chili-style" cans from brands like Bush's or Goya that fold in extra carbs from the sauce. Restaurant refried beans usually start with these and add lard plus more starch, so a small side scoop can quietly push your daily count well past where you want it.
Is Black Beans Keto? The Full Answer
Black Beans contains 12.90g net carbs per 1/2 cup cooked (20.40g total carbs minus 7.50g fiber). Black beans pack 12.9 g net carbs into a single half-cup, which can eat most of a strict keto carb budget in one go. Save them for higher-carb days and lean on low-carb sides like cauliflower rice or sauteed spinach instead.
On a standard ketogenic diet, most people target 20-25g net carbs per day. A single serving uses 65% of a 20g daily carb limit. If you are following a strict ketogenic protocol, reach for a lower-carb option instead.
Better Keto Swaps
Black beans land at 12.9 g net carbs per half cup, which eats up most of a strict keto day in one scoop. Try these instead. Black soybeans are the closest match in look and texture, and they run about 1 to 2 g net carbs per half cup, since most of their carbs come from fiber. Cooked mushrooms are another option if you want that earthy, hearty bite in chili or tacos, sitting near 2 g net carbs per half cup. For something with bulk and a little crunch, riced cauliflower works well as a base under saucy dishes at roughly 2 g net carbs per half cup. Any of these keeps the comfort food feel without the carb hit.
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