Food calories · USDA data
Calories in a sweet potato
103 calories
in 1 medium (2" dia, 5" long, raw), 114 g
- Protein
- 2.3 g
- Carbs
- 23.6 g
- Fat
- 0.2 g
- Fiber
- 3.8 g
A sweet potato has 103 calories. That is USDA's figure for 1 medium (2" dia, 5" long, raw), which weighs 114 g. Per 100 g, sweet potato has 90 calories.
Almost all of its calories, 90%, come from carbohydrate. This portion has 3.8 g of fiber, 13% of the 28 g Daily Value.
It takes 111 g of sweet potato to reach 100 calories, about the same as 1 medium (2" dia, 5" long, raw).
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 medium (2" dia, 5" long, raw) | 114 g | 103 | 2.3 g | 23.6 g | 0.2 g |
| 1 cup | 200 g | 180 | 4 g | 41.4 g | 0.3 g |
| 1 large | 180 g | 162 | 3.6 g | 37.3 g | 0.3 g |
| 1 small | 60 g | 54 | 1.2 g | 12.4 g | 0.1 g |
| 1 oz | 28.3 g | 25 | 0.6 g | 5.9 g | 0 g |
| 100 g | 100 g | 90 | 2 g | 20.7 g | 0.2 g |
Portion weights are USDA's own. Your sweet potato may weigh more or less; for an exact number, weigh it and enter the grams in the food calorie lookup.
Where the calories come from
- Protein: 9% of calories (2 g per 100 g)
- Carbohydrate: 90% (20.7 g per 100 g, of which 3.3 g fiber)
- Fat: 1% (0.2 g per 100 g)
Shares use the general factors of 4 calories per gram of protein and carbohydrate and 9 per gram of fat, so they can differ a little from USDA's calorie figure. Daily Values are the FDA's adult Daily Values.
Compared with similar foods
Weight for weight, green peas has the fewest calories of these four (78 per 100 g) and corn on the cob the most (96).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Sweet potato | 90 | 2 g | 20.7 g | 0.2 g |
| Baked potato | 93 | 2.5 g | 21.2 g | 0.1 g |
| Corn on the cob | 96 | 3.4 g | 21 g | 1.5 g |
| Green peas | 78 | 5.2 g | 14.3 g | 0.3 g |
Work out your own portion
The food calorie lookup has 3,070 foods. Pick a portion or type a weight in grams or ounces, then add foods to a plate to see the total for a meal. To see how a meal fits your day, the calorie calculator works out your daily calories.
Questions people ask
How many calories is in a sweet potato?
A sweet potato has 103 calories. USDA weighs 1 medium (2" dia, 5" long, raw) at 114 g, and sweet potato has 90 calories per 100 g.
How much protein does a sweet potato have?
1 medium (2" dia, 5" long, raw) (114 g) has 2.3 g of protein, 5% of the 50 g Daily Value. Per 100 g it is 2 g.
How many carbs does a sweet potato have?
1 medium (2" dia, 5" long, raw) has 23.6 g of carbohydrate, including 3.8 g of fiber, and 0.2 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Sweet potato, cooked, baked in skin, flesh, without salt (FDC ID 168483). Values are averages; a packaged food's label may differ.