Macronutrients in Pears

Pear juice contains 386 calories per 1cup serving. As a snack or addition to a light meal, however, this is still a lowcalorie option. A 1cup serving of pear juice is virtually fat free, with only 0.64 grams of total fat. It has a minimal amount of protein, 1.66 grams, and contains almost 400 grams of water.