Carbs in Cheddar Cheese
Keto-friendlyHow many carbs are in cheddar cheese?
Cheddar Cheese has 3.4g net carbs per 100g — 3.4g total carbs minus 0g fiber — plus 23g protein, 33g fat, and 403 calories. 1 slice (1 oz) works out to about 1g net carbs and 113 calories. That makes cheddar cheese relatively low in net carbs and lower than the typical dairy food, which averages about 24.3g net carbs per 100g. With this carb count, cheddar cheese fits a keto or low-carb diet (usually 20–50g net carbs per day) in normal portions. Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is cheddar cheese keto-friendly?
Yes, cheddar cheese can fit a keto diet in moderate portions. It has 3.4g net carbs per 100g (3.4g total carbs − 0g fiber). A typical serving — 1 slice (1 oz) — is about 1g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other dairy foods and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 slice (1 oz) | 1g | 1g | 6.4g | 113 |
| 100 g (3.5 oz) | 3.4g | 3.4g | 23g | 403 |
| 1 oz (28 g) | 1g | 1g | 6.4g | 113 |
How many calories are in cheddar cheese?
Cheddar Cheese has 403 calories per 100g. 1 slice (1 oz) has about 113 calories. That's alongside 23g protein, 33g fat, and 3.4g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 403 |
| Total carbs | 3.4g |
| Net carbs | 3.4g |
| Fiber | 0g |
| Sugar | 0.5g |
| Sugar alcohols | 0g |
| Protein | 23g |
| Fat | 33g |
| Sodium | 621mg |
| Potassium | 98mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in cheddar cheese?
- Cheddar Cheese has 3.4g of total carbs and 3.4g of net carbs per 100 grams.
- How many net carbs are in cheddar cheese?
- Cheddar Cheese has 3.4g of net carbs per 100 grams (total carbs 3.4g minus 0g fiber).
- Is cheddar cheese keto-friendly?
- Yes, cheddar cheese can fit a keto diet in moderate portions. It has 3.4g net carbs per 100g (3.4g total carbs − 0g fiber). A typical serving — 1 slice (1 oz) — is about 1g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other dairy foods and meals.
- How many calories are in cheddar cheese?
- Cheddar Cheese has 403 calories per 100 grams.
- How many carbs are in 1 slice (1 oz) of cheddar cheese?
- 1 slice (1 oz) of cheddar cheese (28g) has about 1g net carbs, 1g total carbs, and 113 calories.
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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.