Answer:
In one cup of diced celery there are approximately 19 calories, 2 of which are from fat.
*check out the calorie counter website's link below*
It takes more energy to digest celery than the vegetable has to offer. This and a select number of other plants are part of a group known as "negative calorie" foods
Beet Root
Asparagus
Broccoli
Cabbage
Carrot
Cauliflower
Celery
Chicory
Hot Chili
Cucumber
Garden cress
Garlic
Green Beans
Lettuce
Onion
Radish
Spinach
Turnip
Zucchini
For more information check out the "negative calorie" link below.