Sweet potato: calories and nutrition facts
Calories in sweet potato per 100 g and per typical portion, from the MacroLab food catalog.
86kcal per 100 g
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To burn these 86 calories:
- 20minWalking (5 km/h)
- 8minRunning (8 km/h)
- 10minCycling (16–19 km/h)
- 12minSwimming
Times use the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Calories per portion
Common portions from the MacroLab catalog, next to the 100 g reference.
| Portion | kcal |
|---|---|
| 100 g | 86 |
| 1 large serving (300 g) | 258 |
Can sweet potato make you gain weight?
At 86 kcal per 100 g, this is a food with low energy density: about 116 g gives 100 kcal.
One large serving (300 g) has 258 kcal; the portion size decides how it fits your daily target.
No single food makes you gain weight. What matters is your total calories over days and weeks compared with what you burn.
Sweet potato vs other foods in “Vegetables”
It has 162% more calories than the average food in “Vegetables” (33 kcal per 100 g).
| Per 100 g | This food | Group average |
|---|---|---|
| Energy | 86 kcal | 33 kcal |
Related foods
Frequently asked questions
- How many calories are in 100 g of sweet potato?
- 100 g has 86 kcal. That means about 116 g for every 100 kcal.
- How many calories are in one large serving of sweet potato?
- One large serving (300 g) has 258 kcal.
Log sweet potato with a photo in MacroLab
Snap your plate and MacroLab estimates calories and macros, then keeps your daily targets up to date.
Data from the MacroLab food catalog, updated September 26, 2026. Values vary by variety and brand; check the label of the product you buy.