Carbs in ¼ Cup Packed Brown Sugar
How many carbs are in ¼ cup packed brown sugar?
¼ Cup Packed Brown Sugar — ¼ cup, packed (55g) — has 54g net carbs: 54g total carbs minus 0g fiber, plus 0.1g protein, 0g fat, and 209 calories. Per 100g that is 98.1g net carbs (98.1g total carbs, 0g fiber) and 380 calories. That makes ¼ cup packed brown sugar high in net carbs and higher than the typical snacks and sweet, which averages about 55.2g net carbs per 100g. At this carb count, ¼ cup packed brown sugar is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
Last updated September 8, 2026 · Compiled by the CarbMeNot Team

Values per ¼ cup, packed (55g); per 100 g: 98.1g net carbs, 380 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
Is ¼ cup packed brown sugar keto-friendly?
¼ Cup Packed Brown Sugar is generally not keto-friendly. ¼ cup, packed (55g) is 54g net carbs (54g total carbs − 0g fiber); per 100g that is 98.1g 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 |
|---|---|---|---|---|
| ¼ cup, packed | 54g | 54g | 0.1g | 209 |
| 100 g (3.5 oz) | 98.1g | 98.1g | 0.1g | 380 |
| 1 oz (28 g) | 27.5g | 27.5g | 0g | 106 |
How many calories are in ¼ cup packed brown sugar?
¼ Cup Packed Brown Sugar — ¼ cup, packed (55g) — has 209 calories, with 0.1g protein, 0g fat, and 54g net carbs. Per 100g: 380 calories and 98.1g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 380 |
| Total carbs | 98.1g |
| Net carbs | 98.1g |
| Fiber | 0g |
| Sugar | 97g |
| Sugar alcohols | 0g |
| Protein | 0.1g |
| Fat | 0g |
| Sodium | 28mg |
| Potassium | 133mg |
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 ¼ cup packed brown sugar?
- ¼ Cup Packed Brown Sugar (¼ cup, packed, 55g) has 54g of total carbs and 54g of net carbs. Per 100 grams: 98.1g total, 98.1g net.
- How many net carbs are in ¼ cup packed brown sugar?
- ¼ Cup Packed Brown Sugar has 54g of net carbs per ¼ cup, packed (55g) — 54g total carbs minus 0g fiber.
- Is ¼ cup packed brown sugar keto-friendly?
- ¼ Cup Packed Brown Sugar is generally not keto-friendly. ¼ cup, packed (55g) is 54g net carbs (54g total carbs − 0g fiber); per 100g that is 98.1g 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 ¼ cup packed brown sugar?
- ¼ Cup Packed Brown Sugar (¼ cup, packed, 55g) has 209 calories; that is 380 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.







