Carbs in Corn
How many carbs are in corn?
Corn has 20g net carbs per 100g — 21g total carbs minus 1g fiber — plus 2g protein, 0.5g fat, and 90 calories. That makes corn high in net carbs and about average for the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, corn 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.
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Corn 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 corn keto-friendly?
Corn is generally not keto-friendly. It has 20g net carbs per 100g (21g total carbs − 1g 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) | 20g | 21g | 2g | 90 |
| 1 oz (28 g) | 5.6g | 5.9g | 0.6g | 25 |
How many calories are in corn?
Corn has 90 calories per 100g. That's alongside 2g protein, 0.5g fat, and 20g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 90 |
| Total carbs | 21g |
| Net carbs | 20g |
| Fiber | 1g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 2g |
| Fat | 0.5g |
| Sodium | 0mg |
| Potassium | 0mg |
Source: Open Food Facts (Kanza CornFairview Mills). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in corn?
- Corn has 21g of total carbs and 20g of net carbs per 100 grams.
- How many net carbs are in corn?
- Corn has 20g of net carbs per 100 grams (total carbs 21g minus 1g fiber).
- Is corn keto-friendly?
- Corn is generally not keto-friendly. It has 20g net carbs per 100g (21g total carbs − 1g 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 corn?
- Corn has 90 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.