One Corn on the Cob Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 medium ear (90g kernels), 90g; per 100 g: 20.6g net carbs, 110 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in one corn on the cob?
One Corn on the Cob — 1 medium ear (90g kernels), 90g — has 18.5g net carbs: 21g total carbs minus 2.4g fiber, plus 3.7g protein, 1.4g fat, and 99 calories. Per 100g that is 20.6g net carbs (23.3g total carbs, 2.7g fiber) and 110 calories. That makes one corn on the cob high in net carbs and about average for the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, one corn on the cob is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is one corn on the cob keto-friendly?
One Corn on the Cob is generally not keto-friendly. 1 medium ear (90g kernels), 90g is 18.5g net carbs (21g total carbs − 2.4g fiber); per 100g that is 20.6g net carbs. 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.
Keeping an eye on carbs in one corn on the cob?
One Corn on the Cob runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 medium ear (90g kernels) | 18.5g | 21g | 3.7g | 99 |
| 100 g (3.5 oz) | 20.6g | 23.3g | 4.1g | 110 |
| 1 oz (28 g) | 5.8g | 6.5g | 1.1g | 31 |
How many calories are in one corn on the cob?
One Corn on the Cob — 1 medium ear (90g kernels), 90g — has 99 calories, with 3.7g protein, 1.4g fat, and 18.5g net carbs. Per 100g: 110 calories and 20.6g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 110 |
| Total carbs | 23.3g |
| Net carbs | 20.6g |
| Fiber | 2.7g |
| Sugar | 3.9g |
| Sugar alcohols | 0g |
| Protein | 4.1g |
| Fat | 1.6g |
| Sodium | 19mg |
| Potassium | 361mg |
Source: Manufacturer-reported values (vegetables). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in one corn on the cob?
- One Corn on the Cob (1 medium ear (90g kernels), 90g) has 21g of total carbs and 18.5g of net carbs. Per 100 grams: 23.3g total, 20.6g net.
- How many net carbs are in one corn on the cob?
- One Corn on the Cob has 18.5g of net carbs per 1 medium ear (90g kernels), 90g — 21g total carbs minus 2.4g fiber.
- Is one corn on the cob keto-friendly?
- One Corn on the Cob is generally not keto-friendly. 1 medium ear (90g kernels), 90g is 18.5g net carbs (21g total carbs − 2.4g fiber); per 100g that is 20.6g net carbs. 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 one corn on the cob?
- One Corn on the Cob (1 medium ear (90g kernels), 90g) has 99 calories; that is 110 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.