Sweet potato calories: nutrition, weighed portions and preparation

How many calories does sweet potato contain?

For the numbers in this guide, sweet potato means “Sweet potato, cooked, baked in skin, flesh, without salt” (USDA FoodData Central 168483). It contains 90 kcal per 100 g edible portion. This record describes baked sweet potato flesh without salt. Candied sweet potatoes and sweet potato fries are separate recipes. Keeping that definition attached to the number prevents a plain ingredient from being mistaken for a prepared meal.

A weighed 180 g portion provides approximately 162 kcal: 180 × 90 ÷ 100. A smaller 90 g portion gives 81 kcal, while 270 g gives 243 kcal. These are calculated amounts of the named food, not claims about the weight of a standard piece, cup or restaurant serving.

What comes with those calories?

The same 100 g reference provides 2 g protein, 20.7 g total carbohydrate, 0.1 g fat and 3.3 g fiber. For the illustrated 180 g portion, those amounts become 3.6 g protein, 37.3 g carbohydrate, 0.3 g fat and 5.9 g fiber. Calories and individual nutrients describe different parts of the food, so keep all of them on the same portion basis when reading the table.

The selected entry is baked sweet potato flesh. If skin is left behind, weigh the flesh that is eaten; using whole baked weight against a flesh-only reference creates a mismatch.

Weighing sweet potato without guessing a serving

Use the weight of the edible flesh for this entry. The skin should not be counted in the weighed amount if it is not part of the reference. A useful kitchen sequence is to place an empty bowl on the scale, tare it to zero, add the edible sweet potato, and note the grams before combining it with other foods. If you serve only part of that amount, record the part eaten. Leftovers matter because the amount available and the amount consumed are different quantities.

A spoonful of mashed sweet potato may include butter or syrup, while a baked wedge may include oil. Keep the cooking method and additions visible when deciding which record fits.

What changes in a complete dish?

Sweet potato is not made calorie-free by choosing a different cooking method. The practical task is to match edible weight and recipe ingredients, then compare complete portions rather than color or sweetness alone.

Oil, syrup and butter can change a serving considerably. Keep the plain vegetable and the toppings visible in the log.

For an explicit ingredient example, 180 g of the named sweet potato plus 5 g olive oil gives approximately 206.2 kcal. The sweet potato contributes 162 kcal and the oil contributes 44.2 kcal. This is an illustrative two-ingredient calculation, not a tested recipe or a claim that sweet potato is always served with oil.

How sweet potato compares with baked potato with skin

The comparison food is “Potatoes, baked, flesh and skin, without salt” (FDC 170093), which contains 93 kcal per 100 g. At equal 180 g weights, the sweet potato reference supplies 162 kcal and baked potato with skin supplies 167.4 kcal: a difference of 5.4 kcal. That is a calculation for these records, not a universal ranking of foods or an instruction to exchange equal portions.

Compare the nutrients as well as the energy in the named records below. A food with a different water content, texture or role in the meal may not be a direct substitute. For a real swap, compare the amounts you plan to eat and include the rest of the plate, rather than choosing solely from the lower number in a 100 g table.

Recording the meal in BiteCal

In BiteCal, start with a photo of the sweet potato portion and the rest of the meal. Review the proposed food name, preparation, amount and visible additions before saving the calorie and macro estimate. If you already know the gram weight, use it as a check rather than accepting a visually plausible portion. A photo cannot establish a hidden oil quantity or replace the identity of a packaged product.

The nutrient figures come from USDA SR Legacy, final release April 2018. They provide a reproducible reference for the named food rather than a laboratory result for your own serving. Use the current package or restaurant information when it describes your exact product more closely. Rounding explains small differences between displayed portions; calculations here use the retained unrounded reference values.

자주 묻는 질문