Which fruits and vegetables have no calories?

While all fruits and vegetables have calories, there are some that have very few, according to WebMD. These include celery, sugar snap peas, lettuce and tomatoes. In addition to eating low calorie fruits and vegetables, there are other ways to reduce calorie intake.

Some of the vegetables and salad accompaniments that contain very few calories include:

• Celery stalks, which have 13 calories per two sticks
• Romaine lettuce, which has 18 calories per two cups
• Half a cucumber has 20 calories
• One medium tomato contains 25 calories
• Half a cup of sugar snap peas contains 30 calories
• One carrot contains 30 calories
• A cup of jicama sticks contains 45 calories
• A cup of frozen winter mix vegetables contains 25 calories
• A cup of frozen Tuscan style vegetables contains 25 calories
• A cup of frozen carrots, broccoli and cauliflower contains 25 calories
• A three-quarter cup of green beans contains 25 calories

Some of the fruits that contain very few calories include:

• Half a peach contains 37 calories
• 1/2 a grapefruit contains 37 calories
• A cup of sliced strawberries contains 50 calories
• A cup of watermelon pieces contains 51 calories
• A cup of papaya pieces contains 54 calories
• A three-quarter cup of apricot halves contains 55 calories
• A cup of cantaloupe cubes contains 56 calories
• An orange contains 60 calories

Other ways to reduce calorie intake include reducing portion sizes and swapping high calorie foods for low calorie alternatives, according to Mayo Clinic. For example, trade ice cream for low fat yogurt. In addition, dieters should exercise to increase their calorie deficit.