Carbs in Long John Donut
How many carbs are in long john donut?
Long John Donut has 7.1g net carbs per 100g — 7.1g total carbs minus 0g fiber — plus 21.4g protein, 21.4g fat, and 321 calories. That makes long john donut relatively low in net carbs and lower than the typical snacks and sweet, which averages about 55.2g net carbs per 100g. At this carb count, long john donut 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.
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Long John Donut 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 long john donut keto-friendly?
Yes, long john donut can fit a keto diet in moderate portions. It has 7.1g net carbs per 100g (7.1g total carbs − 0g fiber). On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other snacks and sweets and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 7.1g | 7.1g | 21.4g | 321 |
| 1 oz (28 g) | 2g | 2g | 6g | 90 |
How many calories are in long john donut?
Long John Donut has 321 calories per 100g. That's alongside 21.4g protein, 21.4g fat, and 7.1g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 321 |
| Total carbs | 7.1g |
| Net carbs | 7.1g |
| Fiber | 0g |
| Sugar | 3.6g |
| Sugar alcohols | 0g |
| Protein | 21.4g |
| Fat | 21.4g |
| Sodium | 1643mg |
| 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 long john donut?
- Long John Donut has 7.1g of total carbs and 7.1g of net carbs per 100 grams.
- How many net carbs are in long john donut?
- Long John Donut has 7.1g of net carbs per 100 grams (total carbs 7.1g minus 0g fiber).
- Is long john donut keto-friendly?
- Yes, long john donut can fit a keto diet in moderate portions. It has 7.1g net carbs per 100g (7.1g total carbs − 0g fiber). On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other snacks and sweets and meals.
- How many calories are in long john donut?
- Long John Donut has 321 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.