Kidney Beans Nutrition Facts
A 100 g serving of kidney beans contains 337 kcal, 22g protein (lime), 1.1g fat (pink) and 61g carbohydrate (blue). They're a good source of fiber and low in sugar. Their standout micronutrients are iron (7 mg), magnesium (138 mg), potassium (1359 mg), zinc (2.8 mg).
Core Nutrients per 100 g
PER 100 G SERVINGThe six values MacroDrop shows on every meal card: energy, the three macros, fiber and sugars.
Extended Nutrients
PER 100 G SERVINGGrouped as in the app: lipids, minerals, vitamins and other compounds sit one level below the core six. Daily values follow the FDA 2,000 kcal reference.
How Cooking Changes The Numbers
Per 100 g, from each preparation's own USDA data.
| Preparation | Kcal | Protein | Fat | Carbs | Note |
|---|---|---|---|---|---|
| Raw | 337 | 22 g | 1.1 g | 61 g | Reference entry |
| With salt | 127 | 9 g | 0.5 g | 23 g | Cooked, boiled, with salt |
| Without salt | 127 | 9 g | 0.5 g | 23 g | Cooked, boiled, without salt |
Understanding Kidney Beans Nutrition
Kidney Beans are a staple that provides complex carbohydrates, fiber and plant protein. At 337 kcal per 100 g serving, they provide 22g of protein, 61g of carbohydrate and 1.1g of fat. Kidney Beans are particularly rich in iron, delivering 7mg — 37% of the daily value — in a single serving. They're a good source of fiber and low in sugar.
For athletes and anyone tracking macros, kidney beans are a straightforward source of carbohydrate energy, useful around training for topping up glycogen. Their fiber and micronutrient content make them a useful addition to a balanced macro split without pulling calories too high.
Frequently Asked Questions
How many calories are in a 100 g serving of kidney beans?
A 100 g serving of kidney beans has 337 kcal, 22g protein, 1.1g fat and 61g carbohydrate.
How much protein is in kidney beans?
22g per 100 g serving.
Are kidney beans high in carbs?
Kidney Beans have 61g of carbohydrate per 100 g serving, about 22% of a 275g daily carb reference.
Which nutrients are kidney beans richest in?
Kidney Beans are richest in iron (7 mg), magnesium (138 mg), potassium (1359 mg), zinc (2.8 mg).
Are kidney beans good for tracking macros?
For athletes and anyone tracking macros, kidney beans are a straightforward source of carbohydrate energy, useful around training for topping up glycogen.
Does cooking kidney beans change its nutrients?
Cooked kidney beans run about 62% lower in calories per equivalent serving compared to the raw reference — see the cooking table above for specific preparations.
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MacroDrop tracks all of these nutrients — core and extended — from a photo, your voice or a barcode. Offline USDA database, 7,800 foods.
Values come from the USDA FoodData Central entry Beans, kidney, red, mature seeds, raw (FDC ID 173744), per 100 g. Daily values follow the FDA 2,000 kcal reference. Last reviewed August 2026.