How many carbs are in a sweet potato?
Sweet potato contains 17 g of carbohydrate per 100 g, of which 4.2 g is sugars, plus 2.7 g of fibre. 1 sweet potato (200 g) gives 34 g of carbohydrate.
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34 g carbs · 162 kcal
At a glance
- Carbs / 100 g
- 17 g
- 1 sweet potato (200 g)
- 34 g
- Fibre / 100 g
- 2.7 g
- kcal / 100 g
- 81
- FPU / 100 g
- 0.1
Carbohydrate per portion
| Portion | Weight | Carbs | Fibre | kcal | FPU |
|---|---|---|---|---|---|
| Small sweet potato | 130 g | 22 g | 3.5 g | 105 | 0.1 |
| 1 sweet potato | 200 g | 34 g | 5.4 g | 162 | 0.2 |
| Large sweet potato | 300 g | 51 g | 8.2 g | 243 | 0.2 |
| 100 g | 100 g | 17 g | 2.7 g | 81 | 0.1 |
The slow rise (fat-protein units)
1 sweet potato of a sweet potato (200 g) carries 0.6 g of fat and 2.6 g of protein, which is 0.2 fat-protein units. That is too little to speak of a slow rise: the effect of this portion is its carbohydrate, and not much else.
Nutrition per 100 g
| Energy | 81 kcal |
| Fat | 0.3 g |
| of which saturates | 0.1 g |
| Carbohydrate (available) | 16.9 g |
| of which sugars | 4.2 g |
| Fibre | 2.7 g |
| Protein | 1.3 g |
| Salt | 0.1 g |
Source: Frida – Fødevaredata, DTU Fødevareinstituttet, FCDB v6.1 - May 2026. Frida entry: “Sweet potato, raw” (Root and tuber vegetables). Fetched 2026-09-22. Frida’s carbohydrate figure is available carbohydrate, which already excludes fibre.
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Keep reading
Figures are general nutrition information and do not replace advice from your doctor or dietitian. This page does not calculate insulin and is not a medical device.
