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Cereal bar calories

Cereal bar, ready-to-eat, not further specified
203kcal
1 bar · 43 g, ready-to-eat, not further specified
8%protein
4.3 gProtein
28 gCarbs
8.5 gFat
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Nutrition facts
Ready-to-eat, not further specified · per 43 g
Calories203 kcal
Protein4.3 g
Carbohydrate28 g
Fat8.5 g
Saturated fat1 g
Cholesterol0 mg
Sodium126 mg
Potassium144 mg
Iron1.3 mg

Source: USDA FoodData Central

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Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

Most popular cereal bar brands in the United States
Ranked by popularity in the BodyPal database
#  Productkcal / 100 g
1Kellogg's Frosted Flakes Cereal Bars1 Bar · 23 g435 kcal
2Golden Grahams Cereal Bar1 bar · 40 g395 kcal
3Cocoa Puffs Cereal Bar1 bar · 40 g395 kcal
4Trix Cereal Bar1 bar · 40 g398 kcal
5Cinnamon Toast Crunch Cereal Bar1 bar · 40 g393 kcal
6Cinnamon Toast Crunch Milk 'n Cereal Bars1 bar · 45 g400 kcal

Brand-name cereal bars generally run lower in calories than the fndds category average used above, which blends many products and formulas together.
Source: manufacturer labels / USDA FoodData Central.

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Cereal bar FAQs
How many calories are in a cereal bar?

One cereal bar (43 g) is about 203 calories. A fun size bar (18 g) is about 85 calories, and 100 g is 471 calories.

Is a cereal bar good for weight loss?

A cereal bar has 471 calories per 100 g and 19.8 g fat, so a 43 g bar brings about 203 calories and 2.3 g fiber to a meal or snack.

Cereal bar vs protein bar: which has fewer calories?

Per 100 g a cereal bar has 471 calories and a protein bar has 412, so the protein bar is about 59 calories lower per 100 g.

How much sugar is in a cereal bar?

100 g of cereal bar has 28.57 g of sugar, about 12.3 g in a 43 g bar. It also has 64.4 g of carbs per 100 g.