1.5 Cups Granulated Sugar Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1.5 cups (300g), 300g; per 100 g: 100g net carbs, 387 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 1.5 cups granulated sugar?
1.5 Cups Granulated Sugar — 1.5 cups (300g), 300g — has 300g net carbs: 300g total carbs minus 0g fiber, plus 0g protein, 0g fat, and 1161 calories. Per 100g that is 100g net carbs (100g total carbs, 0g fiber) and 387 calories. That makes 1.5 cups granulated sugar high in net carbs and higher than the typical snacks and sweet, which averages about 55.0g net carbs per 100g. At this carb count, 1.5 cups granulated sugar 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 1.5 cups granulated sugar keto-friendly?
1.5 Cups Granulated Sugar is generally not keto-friendly. 1.5 cups (300g), 300g is 300g net carbs (300g total carbs − 0g fiber); per 100g that is 100g 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 1.5 cups granulated sugar?
1.5 Cups Granulated Sugar 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 |
|---|---|---|---|---|
| 1.5 cups (300g) | 300g | 300g | 0g | 1161 |
| 100 g (3.5 oz) | 100g | 100g | 0g | 387 |
| 1 oz (28 g) | 28g | 28g | 0g | 108 |
How many calories are in 1.5 cups granulated sugar?
1.5 Cups Granulated Sugar — 1.5 cups (300g), 300g — has 1161 calories, with 0g protein, 0g fat, and 300g net carbs. Per 100g: 387 calories and 100g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 387 |
| Total carbs | 100g |
| Net carbs | 100g |
| Fiber | 0g |
| Sugar | 100g |
| Sugar alcohols | 0g |
| Protein | 0g |
| Fat | 0g |
| Sodium | 0mg |
| Potassium | 2mg |
Source: Manufacturer-reported values (other). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in 1.5 cups granulated sugar?
- 1.5 Cups Granulated Sugar (1.5 cups (300g), 300g) has 300g of total carbs and 300g of net carbs. Per 100 grams: 100g total, 100g net.
- How many net carbs are in 1.5 cups granulated sugar?
- 1.5 Cups Granulated Sugar has 300g of net carbs per 1.5 cups (300g), 300g — 300g total carbs minus 0g fiber.
- Is 1.5 cups granulated sugar keto-friendly?
- 1.5 Cups Granulated Sugar is generally not keto-friendly. 1.5 cups (300g), 300g is 300g net carbs (300g total carbs − 0g fiber); per 100g that is 100g 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 1.5 cups granulated sugar?
- 1.5 Cups Granulated Sugar (1.5 cups (300g), 300g) has 1161 calories; that is 387 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.