Carbs in Granulated Sugar (1 teaspoon)
How many carbs are in granulated sugar (1 teaspoon)?
Granulated Sugar (1 teaspoon) has 100g net carbs per 100g — 100g total carbs minus 0g fiber — plus 0g protein, 0g fat, and 400 calories. 1 teaspoon (4g) works out to about 4g net carbs and 16 calories. That makes granulated sugar (1 teaspoon) high in net carbs and higher than the typical snacks and sweet, which averages about 50.7g net carbs per 100g. At this carb count, granulated sugar (1 teaspoon) 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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Granulated Sugar (1 teaspoon) runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Free · no signup · ★ 4.7Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 teaspoon | 4g | 4g | 0g | 16 |
| 100 g (3.5 oz) | 100g | 100g | 0g | 400 |
| 1 oz (28 g) | 28g | 28g | 0g | 112 |
How many calories are in granulated sugar (1 teaspoon)?
Granulated Sugar (1 teaspoon) has 400 calories per 100g. 1 teaspoon (4g) has about 16 calories. That's alongside 0g protein, 0g fat, and 100g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 400 |
| Total carbs | 100g |
| Net carbs | 100g |
| Fiber | 0g |
| Sugar | 100g |
| Sugar alcohols | 0g |
| Protein | 0g |
| Fat | 0g |
| Sodium | 0mg |
| Potassium | 0mg |
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 granulated sugar (1 teaspoon)?
- Granulated Sugar (1 teaspoon) has 100g of total carbs and 100g of net carbs per 100 grams.
- How many net carbs are in granulated sugar (1 teaspoon)?
- Granulated Sugar (1 teaspoon) has 100g of net carbs per 100 grams (total carbs 100g minus 0g fiber).
- Is granulated sugar (1 teaspoon) keto-friendly?
- Granulated Sugar (1 teaspoon) has 100g 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 granulated sugar (1 teaspoon)?
- Granulated Sugar (1 teaspoon) has 400 calories per 100 grams.
- How many carbs are in 1 teaspoon of granulated sugar (1 teaspoon)?
- 1 teaspoon of granulated sugar (1 teaspoon) (4g) has about 4g net carbs, 4g total carbs, and 16 calories.
