Carbs in Half a Bagel
How many carbs are in half a bagel?
Half a Bagel has 47g net carbs per 100g — 49.1g total carbs minus 2.1g fiber — plus 9.6g protein, 1.4g fat, and 251 calories. 1/2 plain bagel (57g) works out to about 26.8g net carbs and 143 calories. That makes half a bagel high in net carbs and about average for the typical breads and grain, which averages about 44.9g net carbs per 100g. At this carb count, half a bagel is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Manufacturer-reported values; 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 half a bagel keto-friendly?
Half a Bagel is generally not keto-friendly. It has 47g net carbs per 100g (49.1g total carbs − 2.1g fiber). A typical serving — 1/2 plain bagel (57g) — is about 26.8g 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.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1/2 plain bagel (57g) | 26.8g | 28g | 5.5g | 143 |
| 100 g (3.5 oz) | 47g | 49.1g | 9.6g | 251 |
| 1 oz (28 g) | 13.2g | 13.7g | 2.7g | 70 |
How many calories are in half a bagel?
Half a Bagel has 251 calories per 100g. 1/2 plain bagel (57g) has about 143 calories. That's alongside 9.6g protein, 1.4g fat, and 47g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 251 |
| Total carbs | 49.1g |
| Net carbs | 47g |
| Fiber | 2.1g |
| Sugar | 5.3g |
| Sugar alcohols | 0g |
| Protein | 9.6g |
| Fat | 1.4g |
| Sodium | 486mg |
| Potassium | 126mg |
Source: Manufacturer-reported values (bread-grains). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in half a bagel?
- Half a Bagel has 49.1g of total carbs and 47g of net carbs per 100 grams.
- How many net carbs are in half a bagel?
- Half a Bagel has 47g of net carbs per 100 grams (total carbs 49.1g minus 2.1g fiber).
- Is half a bagel keto-friendly?
- Half a Bagel is generally not keto-friendly. It has 47g net carbs per 100g (49.1g total carbs − 2.1g fiber). A typical serving — 1/2 plain bagel (57g) — is about 26.8g 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 half a bagel?
- Half a Bagel has 251 calories per 100 grams.
- How many carbs are in 1/2 plain bagel (57g)?
- 1/2 plain bagel (57g) (57g) has about 26.8g net carbs, 28g total carbs, and 143 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.