Kaiser Bun Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 roll (57g); per 100 g: 50.3g net carbs, 293 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in kaiser bun?
Kaiser Bun — 1 roll (57g) — has 28.7g net carbs: 30g total carbs minus 1.3g fiber, plus 5.6g protein, 2.5g fat, and 167 calories. Per 100g that is 50.3g net carbs (52.6g total carbs, 2.3g fiber) and 293 calories. That makes kaiser bun high in net carbs and about average for the typical breads and grain, which averages about 44.7g net carbs per 100g. At this carb count, kaiser bun is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is kaiser bun keto-friendly?
Kaiser Bun is generally not keto-friendly. 1 roll (57g) is 28.7g net carbs (30g total carbs − 1.3g fiber); per 100g that is 50.3g 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.
Keeping an eye on carbs in kaiser bun?
Kaiser Bun runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 roll | 28.7g | 30g | 5.6g | 167 |
| 100 g (3.5 oz) | 50.3g | 52.6g | 9.8g | 293 |
| 1 oz (28 g) | 14.1g | 14.7g | 2.7g | 82 |
How many calories are in kaiser bun?
Kaiser Bun — 1 roll (57g) — has 167 calories, with 5.6g protein, 2.5g fat, and 28.7g net carbs. Per 100g: 293 calories and 50.3g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 293 |
| Total carbs | 52.6g |
| Net carbs | 50.3g |
| Fiber | 2.3g |
| Sugar | 3.5g |
| Sugar alcohols | 0g |
| Protein | 9.8g |
| Fat | 4.4g |
| Sodium | 544mg |
| Potassium | 109mg |
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 kaiser bun?
- Kaiser Bun (1 roll, 57g) has 30g of total carbs and 28.7g of net carbs. Per 100 grams: 52.6g total, 50.3g net.
- How many net carbs are in kaiser bun?
- Kaiser Bun has 28.7g of net carbs per 1 roll (57g) — 30g total carbs minus 1.3g fiber.
- Is kaiser bun keto-friendly?
- Kaiser Bun is generally not keto-friendly. 1 roll (57g) is 28.7g net carbs (30g total carbs − 1.3g fiber); per 100g that is 50.3g 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 kaiser bun?
- Kaiser Bun (1 roll, 57g) has 167 calories; that is 293 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.