Carbs in Fun Size Butterfinger
How many carbs are in fun size butterfinger?
Fun Size Butterfinger has 64.9g net carbs per 100g — 67.6g total carbs minus 2.7g fiber — plus 8.1g protein, 18.9g fat, and 459 calories. That makes fun size butterfinger high in net carbs and higher than the typical dairy food, which averages about 24.3g net carbs per 100g. At this carb count, fun size butterfinger is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in fun size butterfinger?
Fun Size Butterfinger runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is fun size butterfinger keto-friendly?
Fun Size Butterfinger is generally not keto-friendly. It has 64.9g net carbs per 100g (67.6g total carbs − 2.7g fiber). 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.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 64.9g | 67.6g | 8.1g | 459 |
| 1 oz (28 g) | 18.2g | 18.9g | 2.3g | 129 |
How many calories are in fun size butterfinger?
Fun Size Butterfinger has 459 calories per 100g. That's alongside 8.1g protein, 18.9g fat, and 64.9g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 459 |
| Total carbs | 67.6g |
| Net carbs | 64.9g |
| Fiber | 2.7g |
| Sugar | 40.5g |
| Sugar alcohols | 0g |
| Protein | 8.1g |
| Fat | 18.9g |
| Sodium | 297mg |
| Potassium | 0mg |
Source: Open Food Facts (Generic). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in fun size butterfinger?
- Fun Size Butterfinger has 67.6g of total carbs and 64.9g of net carbs per 100 grams.
- How many net carbs are in fun size butterfinger?
- Fun Size Butterfinger has 64.9g of net carbs per 100 grams (total carbs 67.6g minus 2.7g fiber).
- Is fun size butterfinger keto-friendly?
- Fun Size Butterfinger is generally not keto-friendly. It has 64.9g net carbs per 100g (67.6g total carbs − 2.7g fiber). 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 fun size butterfinger?
- Fun Size Butterfinger has 459 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.