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

PortionWeightCarbsFibrekcalFPU
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 g100 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

Energy81 kcal
Fat0.3 g
of which saturates0.1 g
Carbohydrate (available)16.9 g
of which sugars4.2 g
Fibre2.7 g
Protein1.3 g
Salt0.1 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.

More in pasta, rice and potatoes

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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.

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