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There are about 86 calories in 100 grams of sweet potato.

The Ministry of Health's table lists 7 entries for sweet potato, from 62 to 138 calories per 100 grams. The number here is for Sweet potato, raw, with skin, the entry that stands for the food on this page.

86
calories in 100 grams

All foods and their caloriesVegetables

How many calories are in a portion of sweet potato?

A weight in grams, or one of the food's own units, works out the calories and nutrients of that portion.

grams
Calories
86
Protein
1.6 g
Fat
0.1 g
Carbohydrates
17.1 g
Sodium
55 mg

Sweet potato comes in these common portions, with the calories of each.

PortionWeightCaloriesProteinFatCarbohydrates
small unit54 g460.860.059.2
medium unit133 g1142.10.1322.7
large unit309 g2664.90.3152.8

100 grams of sweet potato contain 1.6 grams of protein, 0.1 grams of fat and 17.1 grams of carbohydrates.

  • Protein1.6 g
  • Fat0.1 g
  • Saturated fat0.02 g
  • Carbohydrates17.1 g
  • Sugars4.2 g
  • Dietary fibre3 g
  • Sodium55 mg
  • Cholesterol0 mg

These vitamins and minerals are in 100 grams of sweet potato, as the Ministry lists them.

Calcium
30 mg
Iron
0.61 mg
Potassium
337 mg
Magnesium
25 mg
Zinc
0.3 mg
Vitamin C
2.4 mg
Vitamin A
709 mcg
Folate
11 mcg

The Ministry of Health lists 7 entries for sweet potato.

The numbers are per 100 grams. Brands, ways of cooking and sizes each have a row of their own.

EntryCaloriesProteinFatCarbohydrates
Sweet potato, baked, peel eaten, fat not added8920.217.2
Sweet potato, fried in canola oil1381.46.815.7
Sweet potato, raw, with skinThe entry used above861.60.117.1
Sweet potato, with skin, skin not eaten621.1014.5
Sweet potato, baked, peel not eaten, fat not added, salt added9020.217.3
Sweet potato, peeled, cooked, fat not added, salt added761.40.115.1
Sweet potato, boiled with peel, peel not eaten, fat not added761.40.115.1

These foods are close to sweet potato in calories.

These are the questions people ask about the calories in sweet potato.

How many calories are in sweet potato?

100 grams of sweet potato have about 86 calories. The Ministry of Health's table lists 7 entries for it, from 62 to 138 calories per 100 grams.

How many calories are in 50, 100 and 200 grams of sweet potato?

50 grams have 43 calories, 100 grams have 86 and 200 grams have 172.

How much protein, fat and carbohydrates are in sweet potato?

In 100 grams there are 1.6 g of protein, 0.1 g of fat and 17.1 g of carbohydrates, of which 4.2 g are sugars.

How many calories are in one medium unit of sweet potato?

The Ministry's table gives 133 grams for one medium unit of sweet potato, which is 114 calories.

The foods, their nutrients and their unit weights are the national nutrition table of the Ministry of Health, read on 5 November 2026. The figures are averages per 100 grams of the food as the table lists it.

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