What Does 100 Calories Look Like?Learn How to Estimate Portion Sizes  -- By Megan Patrick, Staff WriterPortion control is a crucial part of the weight-loss process, but it's not always convenient to weigh everything you eat. Instead, you can learn how to eyeball portions of common foods so you'll know about how many calories you're eating. You might also be surprised to see how much or how little of certain foods you can eat while consuming the same number of calories. 

Fruit 100-Calorie Serving

strawberries 2 cups (10 oz)

blueberries 1 1/4 cups (6 oz)

grapes  52 grapes (9 oz)

watermelon 2 cups diced (11 oz)

peaches 2 medium (8 oz)

pineapple  3/4 cup chunks (8.8 oz)

banana  3/4 large (4 oz)

orange 1 large (7.4 oz)

kiwi  2 kiwis (8 oz)

apple 1 large (7 oz)

dried apple rings 6 rings (1.4 oz)

dried apricots  6 (1.5 oz)

raisins  65 (1.2 oz)

dates, medjool 1 1/2

prunes  4 (1.4 oz)

banana chips 1/4 cup (0.75 oz)