Kit Kat Snack Size Bar Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 package (21g), 21g; per 100 g: 66.7g net carbs, 476 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in kit kat snack size bar?
Kit Kat Snack Size Bar — 1 package (21g), 21g — has 14g net carbs: 14g total carbs minus 0g fiber, plus 1g protein, 5g fat, and 100 calories. Per 100g that is 66.7g net carbs (66.7g total carbs, 0g fiber) and 476 calories. That makes kit kat snack size bar high in net carbs and about average for the typical snacks and sweet, which averages about 55.0g net carbs per 100g. At this carb count, kit kat snack size bar is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is kit kat snack size bar keto-friendly?
Kit Kat Snack Size Bar is borderline for keto — it works only in small portions. 1 package (21g), 21g is 14g net carbs (14g total carbs − 0g fiber); per 100g that is 66.7g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Keeping an eye on carbs in kit kat snack size bar?
Kit Kat Snack Size Bar runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 package (21g) | 14g | 14g | 1g | 100 |
| 100 g (3.5 oz) | 66.7g | 66.7g | 4.8g | 476 |
| 1 oz (28 g) | 18.7g | 18.7g | 1.3g | 133 |
How many calories are in kit kat snack size bar?
Kit Kat Snack Size Bar — 1 package (21g), 21g — has 100 calories, with 1g protein, 5g fat, and 14g net carbs. Per 100g: 476 calories and 66.7g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 476 |
| Total carbs | 66.7g |
| Net carbs | 66.7g |
| Fiber | 0g |
| Sugar | 52.4g |
| Sugar alcohols | 0g |
| Protein | 4.8g |
| Fat | 23.8g |
| Sodium | 48mg |
| Potassium | 167mg |
Source: Manufacturer-reported values (snacks-sweets). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in kit kat snack size bar?
- Kit Kat Snack Size Bar (1 package (21g), 21g) has 14g of total carbs and 14g of net carbs. Per 100 grams: 66.7g total, 66.7g net.
- How many net carbs are in kit kat snack size bar?
- Kit Kat Snack Size Bar has 14g of net carbs per 1 package (21g), 21g — 14g total carbs minus 0g fiber.
- Is kit kat snack size bar keto-friendly?
- Kit Kat Snack Size Bar is borderline for keto — it works only in small portions. 1 package (21g), 21g is 14g net carbs (14g total carbs − 0g fiber); per 100g that is 66.7g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in kit kat snack size bar?
- Kit Kat Snack Size Bar (1 package (21g), 21g) has 100 calories; that is 476 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.