Carbs in Guinness
Keto-friendlyGuinness (per 100 g) contains 3.9g total carbs, 3.9g net carbs, 0g fat, 0.2g protein, and 16 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
3.9g
Net carbs
3.9g
Total carbs
0g
Fiber
0.2g
Protein
0g
Fat
16
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 3.9g | 3.9g | 0.2g | 16 |
| 1 oz (28 g) | 1.1g | 1.1g | 0.1g | 4 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 16 |
| Total carbs | 3.9g |
| Net carbs | 3.9g |
| Fiber | 0g |
| Sugar | 0.7g |
| Sugar alcohols | 0g |
| Protein | 0.2g |
| Fat | 0g |
| Sodium | 5mg |
| Potassium | 0mg |
Source: Open Food Facts (Guinness). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in guinness?
- Guinness has 3.9g of total carbs and 3.9g of net carbs per 100 grams.
- How many net carbs are in guinness?
- Guinness has 3.9g of net carbs per 100 grams (total carbs 3.9g minus 0g fiber).
- Is guinness keto-friendly?
- Yes — with 3.9g net carbs per 100g, guinness fits a ketogenic diet in normal portions.
- How many calories are in guinness?
- Guinness has 16 calories per 100 grams.
