Carbs in Rice Krispie Square
Rice Krispie Square (per 100 g) contains 77.3g total carbs, 77.3g net carbs, 9.1g fat, 4.5g protein, and 409 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

77.3g
Net carbs
77.3g
Total carbs
0g
Fiber
4.5g
Protein
9.1g
Fat
409
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 77.3g | 77.3g | 4.5g | 409 |
| 1 oz (28 g) | 21.6g | 21.6g | 1.3g | 115 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 409 |
| Total carbs | 77.3g |
| Net carbs | 77.3g |
| Fiber | 0g |
| Sugar | 36.4g |
| Sugar alcohols | 0g |
| Protein | 4.5g |
| Fat | 9.1g |
| Sodium | 477mg |
| Potassium | 0mg |
Source: Open Food Facts (Rice Krispies). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log rice krispie square 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 rice krispie square?
- Rice Krispie Square has 77.3g of total carbs and 77.3g of net carbs per 100 grams.
- How many net carbs are in rice krispie square?
- Rice Krispie Square has 77.3g of net carbs per 100 grams (total carbs 77.3g minus 0g fiber).
- Is rice krispie square keto-friendly?
- Rice Krispie Square has 77.3g 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 rice krispie square?
- Rice Krispie Square has 409 calories per 100 grams.



