Calories in corn on the cob and by the cup
A medium ear of corn has 99 calories
A medium ear of boiled sweet corn has 99 calories. A cup of boiled kernels has 143.
USDA's medium ear is 6 and three quarters to 7 and a half inches long and weighs 103 g. A small ear has 85 calories and a large one has 113.
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. Source checked September 29, 2026.
Ears, cups, canned and frozen
A cup of canned corn, drained, is 164 g and 110 calories. A cup of frozen corn, boiled, is 165 g and 134 calories, and a cup of raw kernels is 145 g and 125 calories.
| Portion | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg | Portion source |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 cup of boiled kernels | 149 g | 143 | 5.1 | 31.3 | 2.2 | 3.6 | 6.8 | 1.5 | 0 | USDA portion, 1 cup of kernels |
| 1 medium ear, boiled | 103 g | 99 | 3.5 | 21.6 | 1.5 | 2.5 | 4.7 | 1 | 0 | USDA portion, 1 medium ear, 6 3/4 to 7 1/2 inches long |
| 1 small ear, boiled | 89 g | 85 | 3 | 18.7 | 1.3 | 2.1 | 4 | 0.9 | 0 | USDA portion, 1 small ear, 5 1/2 to 6 1/2 inches long |
| 1 large ear, boiled | 118 g | 113 | 4 | 24.8 | 1.8 | 2.8 | 5.4 | 1.2 | 0 | USDA portion, 1 large ear, 7 3/4 to 9 inches long |
| 1 cup of raw kernels | 145 g | 125 | 4.7 | 27.1 | 2 | 2.9 | 9.1 | 21.8 | 0 | USDA portion, 1 cup |
| 1 cup of canned corn, drained | 164 g | 110 | 3.8 | 23.5 | 2 | 3.3 | 7.3 | 336.2 | 0 | USDA portion, 1 cup |
| 1 cup of frozen corn, boiled | 165 g | 134 | 4.2 | 31.8 | 1.1 | 4 | 5.1 | 1.6 | 0 | USDA portion, 1 cup |
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. USDA FoodData Central. Corn, sweet, yellow, raw. USDA FoodData Central. Corn, sweet, yellow, canned, whole kernel, drained solids. USDA FoodData Central. Corn, sweet, yellow, frozen, kernels cut off cob, boiled, drained, without salt. Source checked September 29, 2026.
Carbs, sugar and fat in a cup of boiled corn
A cup of boiled kernels has 31.3 g of carbs, 6.8 g of sugar and 2.2 g of fat.
Serving it with a second vegetable? See broccoli, spinach, sweet potato or baked potato, or browse the calorie references.
| Nutrient | 1 cup of boiled kernels | Per 100 g |
|---|---|---|
| Calories | 143 kcal | 96 kcal |
| Protein | 5.1 g | 3.4 g |
| Carbs | 31.3 g | 21 g |
| Fat | 2.2 g | 1.5 g |
| Fiber | 3.6 g | 2.4 g |
| Sugar | 6.8 g | 4.5 g |
| Sodium | 1.5 mg | 1 mg |
- Calories in broccoli
- Calories in spinach
- Calories in sweet potato
- Calories in a baked potato
- All calorie references
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. Source checked September 29, 2026.
Boiled, raw, canned or frozen corn
Raw sweet corn has 86 calories per 100 g and boiled has 96. Canned corn, drained, has 67, and frozen corn, boiled, has 81.
| Preparation | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg |
|---|---|---|---|---|---|---|---|---|---|
| Boiled sweet corn without salt | 100 g | 96 | 3.4 | 21 | 1.5 | 2.4 | 4.5 | 1 | 0 |
| Raw sweet corn | 100 g | 86 | 3.3 | 18.7 | 1.4 | 2 | 6.3 | 15 | 0 |
| Canned sweet corn, drained | 100 g | 67 | 2.3 | 14.3 | 1.2 | 2 | 4.4 | 205 | 0 |
| Frozen sweet corn, boiled without salt | 100 g | 81 | 2.5 | 19.3 | 0.7 | 2.4 | 3.1 | 1 | 0 |
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. USDA FoodData Central. Corn, sweet, yellow, raw. USDA FoodData Central. Corn, sweet, yellow, canned, whole kernel, drained solids. USDA FoodData Central. Corn, sweet, yellow, frozen, kernels cut off cob, boiled, drained, without salt. Source checked September 29, 2026.
Weigh the kernels, not the cob
Cut the kernels off the cob, weigh them and enter the grams below. The calculator uses boiled corn.
Corn with butter or in a salsa? Tell TrueCal what went on it and review the estimate.
149 g has about 143 calories.
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. Source checked September 29, 2026.
How many carbs are in an ear of corn?
A medium boiled ear has 21.6 g of carbs, and 2.5 g of that is fiber.
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. Source checked September 29, 2026.
How much protein does an ear of corn have?
Boiled sweet corn has 3.4 g of protein per 100 g. A cup of kernels has 5.1 g and a medium ear has 3.5 g.
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. Source checked September 29, 2026.
Log the portion you ate
Add food from a photo or a sentence, then check the portion before saving.
USDA FoodData Central. Corn, sweet, yellow, cooked, boiled, drained, without salt. USDA FoodData Central. Corn, sweet, yellow, raw. USDA FoodData Central. Corn, sweet, yellow, canned, whole kernel, drained solids. USDA FoodData Central. Corn, sweet, yellow, frozen, kernels cut off cob, boiled, drained, without salt. Source checked September 29, 2026.