Carbs in Sugar 1 Cup
Sugar 1 Cup (per 100 g) contains 99.8g total carbs, 99.8g net carbs, 0g fat, 0g protein, and 399 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
99.8g
Net carbs
99.8g
Total carbs
0g
Fiber
0g
Protein
0g
Fat
399
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 99.8g | 99.8g | 0g | 399 |
| 1 oz (28 g) | 27.9g | 27.9g | 0g | 112 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 399 |
| Total carbs | 99.8g |
| Net carbs | 99.8g |
| Fiber | 0g |
| Sugar | 99.2g |
| Sugar alcohols | 0g |
| Protein | 0g |
| Fat | 0g |
| Sodium | 3mg |
| Potassium | 29mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log sugar 1 cup in one tap
Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.
Frequently asked questions
- How many carbs are in sugar 1 cup?
- Sugar 1 Cup has 99.8g of total carbs and 99.8g of net carbs per 100 grams.
- How many net carbs are in sugar 1 cup?
- Sugar 1 Cup has 99.8g of net carbs per 100 grams (total carbs 99.8g minus 0g fiber).
- Is sugar 1 cup keto-friendly?
- Sugar 1 Cup has 99.8g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- How many calories are in sugar 1 cup?
- Sugar 1 Cup has 399 calories per 100 grams.
