Carbs in 1 Tsp
How many carbs are in 1 tsp?
1 Tsp has 18.5g net carbs per 100g — 18.8g total carbs minus 0.3g fiber — plus 6.8g protein, 7.6g fat, and 170 calories. At this carb count, 1 tsp is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in 1 tsp?
1 Tsp runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is 1 tsp keto-friendly?
1 Tsp is borderline for keto — it works only in small portions. It has 18.5g net carbs per 100g (18.8g total carbs − 0.3g fiber). 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 |
|---|---|---|---|---|
| 100 g (3.5 oz) | 18.5g | 18.8g | 6.8g | 170 |
| 1 oz (28 g) | 5.2g | 5.3g | 1.9g | 48 |
How many calories are in 1 tsp?
1 Tsp has 170 calories per 100g. That's alongside 6.8g protein, 7.6g fat, and 18.5g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 170 |
| Total carbs | 18.8g |
| Net carbs | 18.5g |
| Fiber | 0.3g |
| Sugar | 3.2g |
| Sugar alcohols | 0g |
| Protein | 6.8g |
| Fat | 7.6g |
| Sodium | 517mg |
| Potassium | 0mg |
Source: Open Food Facts (Wegman’s). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in 1 tsp?
- 1 Tsp has 18.8g of total carbs and 18.5g of net carbs per 100 grams.
- How many net carbs are in 1 tsp?
- 1 Tsp has 18.5g of net carbs per 100 grams (total carbs 18.8g minus 0.3g fiber).
- Is 1 tsp keto-friendly?
- 1 Tsp is borderline for keto — it works only in small portions. It has 18.5g net carbs per 100g (18.8g total carbs − 0.3g fiber). 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 tsp?
- 1 Tsp has 170 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.