How many calories are in a navel orange?

One cup of navel orange sections contains 81 calories, according to the United States Department of Agriculture. This citrus fruit contains less than one gram of fat for that serving size. This makes it a healthy option for those who are trying to eat fresh fruits.

Navel oranges contain around 14 grams of sugars. They also contain 274 mg of potassium and 71 mg of calcium. Navel oranges are a good source of vitamin C. One cup of navel orange slices has 97.5 mg of vitamin C. This is a cholesterol-free fruit that people committed to a healthy diet can enjoy.