Kit Kat

Packaged product Autres aliments Nestlé

Kit Kat contains 547 kcal per 100 g. A serving, 1 bar, 41.5 g (41,5 g) provides about 227 kcal.

Roughly 52 % of its calories come from fat, with 44 % from carbohydrates and 4 % from protein (estimated with general energy factors).

That is more energy than the typical item in autres aliments on FoodFactly, where the median is 270 kcal per 100 g across 274 655 products.

The values are as declared on the product label and entered by Open Food Facts contributors.

Kit Kat by Nestlé, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
547kcal per 100 g
5,5 gprotein
60,2 gcarbohydrates
31,3 gfat
227kcal in serving, 1 bar, 41.5 g (41,5 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 547 kcal
Total fat L 31,3 g 40 %
Saturated fat L 17,1 g 86 %
Trans fat L 0,24 g
Sodium L 72,3 mg 3 %
Total carbohydrates L 60,2 g 22 %
Dietary fiber L 0,96 g 3 %
Total sugars L 50,6 g
Added sugars L 45,8 g 92 %
Protein L 5,5 g 11 %

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 4 %Carbohydrates: 44 %Fat: 52 %547kcal / 100 g
  • Protein 4 %
  • Carbohydrates 44 %
  • Fat 52 %

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Nutritional insights

  • Protein5,5 gbelow the median for autres aliments (median 6,9 g)
  • Fiber0,96 gbelow the median for autres aliments (median 1,8 g)
  • Sugars50,6 gin the top quarter of autres aliments (median 3,5 g)
  • Fat31,3 gin the top quarter of autres aliments (median 6,4 g)
  • Saturated fat17,1 gin the top quarter of autres aliments (median 1,9 g)
  • Sodium72,3 mgbelow the median for autres aliments (median 236 mg)
  • Protein per 100 kcal1 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Nestlé
Barcode
7891000435755
Label serving
1 bar (41.5 g)
Category
Autres aliments

Ingredients

Ingredients not reported.

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in Kit Kat?

100 g of Kit Kat has 547 kcal. Serving, 1 bar, 41.5 g (41,5 g): about 227 kcal.

How much protein is in Kit Kat?

Kit Kat contains 5,5 g of protein per 100 g (11 % of the 50 g Daily Value), or 2,3 g in serving, 1 bar, 41.5 g (41,5 g). About 4 % of its calories come from protein. Compared with other autres aliments, that is below the median (median 6,9 g).

How many carbs are in Kit Kat?

Kit Kat has 60,2 g of total carbohydrates per 100 g, including 0,96 g of fiber and 50,6 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Kit Kat?

Kit Kat contains 31,3 g of fat per 100 g, of which 17,1 g is saturated (86 % of the Daily Value).

How much sodium is in Kit Kat?

100 g contains 72,3 mg of sodium, 3 % of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated 7 août 2026. FoodFactly last checked it on 6 novembre 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 7891000435755. License: ODbL 1.0 (Open Food Facts). Source record dated 7 août 2026. Imported 6 novembre 2026.

Last updated: . Data quality score: 85/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.