WellByNumbers.
GLP-1: this is one 30 g meal-block →

How much black beans for 30 g of protein?

About 447 kcal of black beans gets you there.

339 gfor 30 g protein
447 kcalthose grams cost
8.9 gprotein per 100 g
#85of 233 foods by protein per calorie · full ranking
TargetBlack beans (cooked)Calories
20 g protein226 g298 kcal
25 g protein282 g372 kcal
30 g protein339 g447 kcal
35 g protein395 g521 kcal
40 g protein451 g596 kcal

Common questions

How much black beans do I need for 30 g of protein?

339 g of Black beans (cooked), which carries about 447 kcal. Black beans holds 8.9 g protein per 100 g.

Why does the same 30 g cost different calories across foods?

Because protein density differs. The comparison pages on this site show the same math across foods, so you can see which sources deliver protein cheapest in calories.

Method

Grams = target ÷ (g protein per 100 g) × 100, USDA FoodData Central base values, cooked weights where cooking applies.

See all foods on one chart