Copied to clipboard!
Grains & Starches • USDA Verified

Sweet Potato Calories Calculator

Baked sweet potato provides 90 calories per 100 grams, supplying 20.7g of complex carbohydrates, 3.3g of dietary fiber, and over 100% of the daily value for provitamin A.

State & Preparation: Baked in skin, without salt • Source: USDA FoodData Central (FDC 168483)
Interactive Weighed Portion Scaler
Scale Sweet Potato by Exact Grams or Ounces
Density: 0.9 kcal/g
Quick Presets:
Standard reference serving: 1 medium baked sweet potato (~114g)
Calculated Energy 100 g
90 kcal
Water Content: 75.8%
Protein
2g
Carbs
20.7g
Fat
0.1g

Calories in Sweet Potato per 100g

According to the official USDA FoodData Central laboratory analysis, a standard 100-gram serving of sweet potato (Baked in skin, without salt) contains 90 calories. Its macronutrient profile comprises 2g protein, 20.7g carbohydrates, and 0.1g dietary fat, with approximately 75.8g of bound water.

Sweet Potato Calories by Weighed Portion

Look up exact nutritional values across standard dietary serving increments:

Weight Calories Protein Carbohydrates Fat
25 g 23 kcal 0.5 g 5.2 g 0.0 g
50 g 45 kcal 1.0 g 10.3 g 0.1 g
75 g 68 kcal 1.5 g 15.5 g 0.1 g
100 g 90 kcal 2.0 g 20.7 g 0.1 g
150 g 135 kcal 3.0 g 31.0 g 0.2 g
200 g 180 kcal 4.0 g 41.4 g 0.2 g
250 g 225 kcal 5.0 g 51.8 g 0.3 g
300 g 270 kcal 6.0 g 62.1 g 0.3 g
400 g 360 kcal 8.0 g 82.8 g 0.4 g
500 g 450 kcal 10.0 g 103.5 g 0.5 g

Nutritional Profile of Sweet Potato (per 100g)

Energy
90 kcal
377 kJ
Protein
2 g
8 protein kcal
Carbs (Total)
20.7 g
3.3g dietary fiber
Fat (Lipids)
0.1 g
1 lipid kcal

Raw vs. Cooked Sweet Potato Dynamics

Baking breaks down complex starches into maltose while evaporating ~12% moisture, concentrating beta-carotene and natural sweetness.

Factors That Change Sweet Potato Calories

High fiber content (3.3g/100g) promotes sustained glycemic release compared to refined flour products. Always record the exact preparation method and use a calibrated digital kitchen scale for optimal caloric tracking precision.

Frequently Asked Questions

How many calories are in 100g of sweet potato?

100 grams of sweet potato (Baked in skin, without salt) contains exactly 90 calories, with 2g protein, 20.7g carbohydrates, and 0.1g fat.

How many calories are in 50g of sweet potato?

50 grams of sweet potato provides 45 calories (1.0g protein, 10.3g carbs, and 0.1g fat).

How many calories are in 200g of sweet potato?

200 grams of sweet potato provides 180 calories (4.0g protein, 41.4g carbs, and 0.2g fat).

What factors alter the calories in sweet potato?

High fiber content (3.3g/100g) promotes sustained glycemic release compared to refined flour products.