Calories in Sweet potato, baked
Per 1 medium, 150 g
Sweet potato, baked has 135 calories per 1 medium, 150 g. That is about 7% of a 2,000-calorie day. The same serving provides 2.4 g of protein, 31.0 g of carbohydrate, 0.2 g of fat and 4.5 g of fibre. Per 100 g, that works out at 90 calories and 1.6 g of protein. Against the thresholds EU food labelling uses, it qualifies as a source of fibre, fat free and low energy density. Baking with the skin on keeps the fibre and needs no added fat.
Calories and macros
| Per 1 medium, 150 g | Serving | Per 100 g | % of daily intake |
|---|---|---|---|
| Calories | 135 kcal | 90 kcal | 7% |
| Protein | 2.4 g | 1.6 g | 5% |
| Carbohydrate | 31.0 g | 20.7 g | 12% |
| Fat | 0.2 g | 0.1 g | 0% |
| Fibre | 4.5 g | 3.0 g | 15% |
Daily intake percentages use the EU reference intakes an average adult label is based on: 2,000 kcal, 50 g protein, 260 g carbohydrate, 70 g fat, 30 g fibre.
What this is good for
These are the nutrition claims this food would qualify for under EU labelling rules — thresholds, not opinions.
Worth knowing
Figures are for a typical example and will vary by brand, ripeness and how it was cooked. For a target of your own, run the calorie calculator or take the short quiz. To log this without doing the arithmetic, Joules is free.
Figures last reviewed 29 August 2026.
Common questions about a sweet potato, baked
How many calories are in a sweet potato, baked?
Sweet potato, baked has 135 calories per 1 medium, 150 g, which is about 7% of a 2,000-calorie day.
How many calories are in 100 g of sweet potato, baked?
100 g of sweet potato, baked contains 90 calories.
How much protein is in a sweet potato, baked?
One serving of 1 medium, 150 g provides 2.4 g of protein — 1.6 g per 100 g, or 5% of the 50 g daily reference intake.
How many carbs are in a sweet potato, baked?
One serving of 1 medium, 150 g contains 31.0 g of carbohydrate, of which 4.5 g is fibre.
What is a sweet potato, baked a good source of?
Measured against EU food labelling thresholds, sweet potato, baked qualifies as a source of fibre, fat free and low energy density. 3 g or more of fibre per 100 g. Under 0.5 g of fat per 100 g. Under 120 calories per 100 g, so a filling portion stays affordable.