How Many Calories in a Brownie? Nutrition Facts & Macros
One large brownie square (56 g) has 227 calories
Protein 2.7g · Carbs 35.8g · Fat 9.1g
Brownies are a rich, dense chocolate baked treat popular worldwide. Commercially prepared brownies are high in sugar and fat, with a fudgy or cakey texture depending on the recipe. Here are the full nutrition facts for brownies, based on USDA data. Brownies contain about 13.6% water by weight -- significantly more than cookies.
1695 kJ · per 100g · Water: 13.6 g
Calorie Calculator: Brownie
56 g Brownie contains 227 kcal
Calories by Portion Size
| Portion | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 large square brownie (56 g) | 227 kcal | 2.7g | 35.8g | 9.1g |
| 1 packaged brownie (61 g) | 247 kcal | 2.9g | 39g | 9.9g |
| 1 oz (28.35 g) | 115 kcal | 1.4g | 18.1g | 4.6g |
| 100 grams | 405 kcal | 4.8g | 63.9g | 16.3g |
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Brownie — Nutrition Facts
| Brownie | per 100g |
|---|---|
| Calories | 405 kcal |
| Protein | 4.8 g |
| Fat | 16.3 g |
| Carbs | 63.9 g |
| Fiber | 2.1 g |
| Sugar | 40 g |
| Sodium | 286 mg |
| Potassium | 149 mg |
| Magnesium | 36 mg |
| Phosphorus | 82 mg |
| Vitamin C | 0 mg |
| Vitamin B6 | 0 mg |
| Folate | 0 mcg |
| Manganese | 0 mg |
| Water | 13.6 g |
Source: USDA FoodData Central (FDC ID: 172713) · Data verified April 2026
Variations
Commercially prepared (regular)
405 calories per 100 g with 16.3 g fat and 63.9 g carbs. The standard commercially prepared brownie. Fudgy texture, moderate fat content compared to homemade. Contains preservatives for longer shelf life.
Homemade (from recipe with butter)
About 466 calories per 100 g. Homemade brownies use more butter and real chocolate, giving a richer, fudgier texture. Fat content rises to about 22 g per 100 g. No preservatives, best eaten fresh. The extra butter adds about 60 kcal per 100 g compared to store-bought.
With walnuts
About 440 calories per 100 g. Walnuts add healthy fats, protein, and fiber. Fat rises to about 20 g per 100 g but with better fatty acid profile (omega-3). Protein increases slightly to about 6 g. A popular variation that adds crunch and nutritional value. Slightly more satiating than regular brownies.
Low-fat brownie
About 345 calories per 100 g. Made with applesauce or yogurt replacing some butter. Fat drops to about 8-10 g per 100 g. Sugar may stay similar or increase slightly. Texture is often more cakey than fudgy. Saves about 60 kcal per 100 g compared to regular -- portion control still matters more than the variant.
Dietary Perspectives
For Weight Loss
At 405 kcal per 100 g, brownies are calorie-dense. One large brownie (56 g) has 227 calories, 9.1 g of fat, and 22.4 g of sugar. If you are counting calories, cut a smaller piece (28 g, ~113 kcal) and log it carefully. Pair with protein to stay full longer. Low-fat brownies save about 60 kcal per 100 g -- portion control matters more than the variant. Avoid eating straight from the pan -- always cut and plate a single portion.
For Keto
Brownies are not keto-friendly. With 63.9 g of carbs per 100 g (40 g sugar), even a small piece (28 g) has 17.9 g of carbs -- close to a full day's keto limit. One large brownie (56 g) has 35.8 g of carbs, far exceeding 20 g daily keto allowance. If you follow a keto diet, look for purpose-made keto brownies with almond flour, cocoa powder, and erythritol. Standard brownies should be avoided entirely on keto.
Frequently Asked Questions
How many calories are in a brownie?
One large brownie square (56 g) has about 227 calories. Per 100 g, commercially prepared brownies contain 405 calories. A packaged brownie (61 g) has about 247 calories. Homemade brownies have roughly 466 kcal per 100 g due to more butter, making them higher in calories than store-bought.
How much sugar is in a brownie?
Brownies contain about 40 g of sugar per 100 g -- nearly half the total carbs. One large brownie square (56 g) has about 22.4 g of sugar. That is roughly 5.6 teaspoons of sugar in a single brownie. Most of the sugar comes from added sugar in the batter.
Brownie vs cookie -- which has more calories?
Chocolate chip cookies have 492 kcal per 100 g vs brownies at 405 kcal. Cookies are higher in fat (24.7 g vs 16.3 g) and carbs (65.4 g vs 63.9 g). Brownies have more moisture (13.6% vs 3.6% water), which lowers calorie density. Per typical serving, a large brownie (56 g, ~227 kcal) and a big cookie (40 g, ~197 kcal) are comparable.
Are brownies good for weight loss?
At 405 kcal per 100 g, brownies are calorie-dense and not ideal for weight loss. One large brownie (56 g) has 227 calories, 9.1 g of fat, and 22.4 g of sugar. If you crave a brownie, cut a smaller portion (28 g, ~113 kcal) and log it accurately. Low-fat brownies save about 60 kcal per 100 g.
How much fat is in a brownie?
Brownies have 16.3 g of fat per 100 g. One large brownie square (56 g) has about 9.1 g of fat. Compared to cookies (24.7 g fat per 100 g), brownies are actually lower in fat. Homemade brownies with extra butter can reach 22 g of fat per 100 g.
Homemade vs store-bought brownies -- what is the difference?
Homemade brownies have roughly 466 kcal per 100 g vs 405 kcal for commercially prepared. Homemade versions use more butter and chocolate, giving a richer flavor but higher fat content (~22 g vs 16.3 g). Store-bought brownies contain preservatives and are often drier. Calorie content depends heavily on the recipe -- with nuts, expect about 440 kcal per 100 g.
Compare with Similar Foods
| Portion | kcal | Protein | Carbs | Fat |
|---|---|---|---|---|
| Brownie | 405 | 4.8g | 63.9g | 16.3g |
| Chocolate Chip Cookie | 492 | 5.1g | 65.36g | 24.72g |
| Dark Chocolate (60-69% Cacao) | 579 | 6.12g | 52.42g | 38.31g |
| Muffin (Blueberry) | 375 | 4.49g | 53g | 16.07g |
| Chocolate Cake | 371 | 4.6g | 52g | 17g |
per 100g
Brownies have 405 kcal per 100 g with 16.3 g of fat and 63.9 g of carbs. Compared to cookies (492 kcal, 24.7 g fat), brownies are lower in both calories and fat. A muffin (375 kcal) is a lighter alternative, while dark chocolate (579 kcal) is significantly more calorie-dense.
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