How many calories are in a brownie?

A standard bakery-style brownie square (about 2-3/4 inches, 56g) has around 227 calories, while a small 1 oz piece has 115. Commercially prepared brownies average 405 calories per 100g, putting them among the denser desserts.

Brownie vs chocolate chip cookie: which has more calories?

By weight, chocolate chip cookies are denser at about 451 calories per 100g versus 405 for brownies. Per piece it flips: a 56g brownie square runs 227 calories while a typical 28g cookie is closer to 130, so portion size decides it.

Are brownies keto-friendly?

No. Regular brownies carry 61.8g net carbs per 100g, so a single square delivers about 35g net carbs, exceeding a full day's strict keto limit. Keto versions made with almond flour and erythritol can cut that to 3-5g net carbs per square.

How much sugar is in a brownie?

Commercial brownies contain 36.6g of sugar per 100g, which works out to about 20g of sugar in one 56g square, roughly 5 teaspoons. That is over 80% of the American Heart Association's daily added-sugar guideline for women.

Are homemade brownies higher in calories than store-bought?

Usually, yes. USDA data puts brownies prepared from a home recipe at 466 calories per 100g versus 405 for commercially prepared, since home recipes tend to use more butter and chocolate. A generous homemade square can easily top 300 calories.

Can I eat a brownie while losing weight?

Yes, if you budget for it. One 227-calorie square is about 11% of a 2,000-calorie day, and planning it in works better for most people than banning dessert entirely. Cutting smaller 1 oz pieces at 115 calories makes the math easier.

Are brownies vegan or gluten-free?

Traditional brownies are neither: they are made with wheat flour, eggs, and butter, so they are vegetarian only. Gluten-free and vegan versions exist but usually land within about 10% of the same 405 calories per 100g, so treat them as an equal indulgence.

How can I make brownies lower in calories?

Swapping half the butter for unsweetened applesauce trims roughly 40-50 calories per square, and cutting a 9x13 pan into 24 pieces instead of 12 halves each portion to about 115 calories. Adding walnuts increases calories but the fat and protein make each square more satisfying.

All Foods

Calories in Brownie

USDA Verified · FDC 172713 · Jul 2026

227 calories

per 1 brownie square (2-3/4 in) (56g)

4.8g

Protein

63.9g

Carbs

16.3g

Fat

2.1g

Fiber

Per 100g

Serving Sizes & Calories

Serving Size	Weight	Calories
1 oz brownie	28g	115 cal
1 brownie square (2-3/4 in)Standard	56g	227 cal
1 Little Debbie package (twin wrapped)	61g	247 cal
100g	100g	405 cal

405 calories per 100g

Complete Nutrition Facts

Per 100g

405 calories

Protein4.8g

Carbohydrates63.9g

Sugar36.6g

Fat16.3g

Fiber2.1g

Sodium286mg

Potassium149mg

Calcium29mg

Iron2.3mg

Vitamin A20mcg

How Brownie Compares

Brownie next to similar foods, all values per 100g:

Food	Calories	Protein	Carbs	Fat	Fiber
Brownie	411	4.8g	63.9g	16.3g	2.1g
Chocolate Chip Cookie	453	4g	61g	21.3g	1.5g
Donut	421	6.1g	47.9g	22.7g	2.1g
Sugar Cookie	465	5.3g	67.3g	19.6g	1.3g
Oatmeal Raisin Cookie	433	5.8g	69.6g	14.3g	3.3g