Low-Calorie Foods
Foods ranked from fewest calories per 100 g upward — handy when you want more volume for fewer calories.
How much do you need?
This page ranks foods rather than setting a target: foods are listed from fewest calories per 100 g upward, so the lowest-calorie options come first. How many calories or carbs suit you depends on your overall diet — this is general information, not personal advice.
Top 50 foods — ranked per 100 g
| # | Food | Low-Calorie Foods / 100 g | Per serving |
|---|---|---|---|
| 1 | 💧 Sparkling Water | 0 kcal | 0 kcal (1 bottle (500 ml)) |
| 2 | 💧 Still Water | 0 kcal | 0 kcal (1 bottle (500 ml)) |
| 3 | 🍵 Black Tea (unsweetened) | 1 kcal | 2.4 kcal (1 mug) |
| 4 | 🥤 Coke Zero Sugar | 1 kcal | 3.3 kcal (1 can (330 ml)) |
| 5 | 🥤 Diet Coke | 1 kcal | 3.3 kcal (1 can (330 ml)) |
| 6 | 🍵 Green Tea (unsweetened) | 1 kcal | 2.4 kcal (1 mug) |
| 7 | 🍵 Herbal Tea | 1 kcal | 2.4 kcal (1 mug) |
| 8 | ☕ Black Coffee | 2 kcal | 4.8 kcal (1 mug) |
| 9 | 🥬 Watercress | 11 kcal | 3.7 kcal (1 cup) |
| 10 | 🥬 Bok Choy | 13 kcal | 9.1 kcal (1 cup shredded) |
| 11 | 🥬 Celery | 14 kcal | 14.1 kcal (1 cup chopped) |
| 12 | 🥬 Iceberg Lettuce | 14 kcal | 10.1 kcal (1 cup shredded) |
| 13 | 🥒 Cucumber | 15 kcal | 15.6 kcal (1 cup sliced) |
| 14 | 🔴 Radish | 16 kcal | 18.6 kcal (1 cup sliced) |
| 15 | 🥬 Endive | 17 kcal | 8.5 kcal (1 cup chopped) |
| 16 | 🥬 Romaine Lettuce | 17 kcal | 8.0 kcal (1 cup shredded) |
| 17 | 🥒 Zucchini | 17 kcal | 21.1 kcal (1 cup sliced) |
| 18 | 🍅 Cherry Tomato | 18 kcal | 26.8 kcal (1 cup) |
| 19 | 🍅 Tomato | 18 kcal | 22.1 kcal (1 medium tomato) |
| 20 | 🟢 Chayote | 19 kcal | 25.1 kcal (1 cup cubes) |
| 21 | 🥥 Coconut Water | 19 kcal | 62.7 kcal (1 carton (330 ml)) |
| 22 | 🥬 Swiss Chard | 19 kcal | 6.8 kcal (1 cup raw) |
| 23 | 🥬 Asparagus | 20 kcal | 26.8 kcal (1 cup) |
| 24 | 🫑 Green Bell Pepper | 20 kcal | 24 kcal (1 medium) |
| 25 | 🍄 Button Mushroom | 22 kcal | 15.4 kcal (1 cup sliced) |
| 26 | 🍄 Portobello Mushroom | 22 kcal | 18.5 kcal (1 mushroom) |
| 27 | 🌱 Alfalfa Sprouts | 23 kcal | 7.6 kcal (1 cup) |
| 28 | 🥬 Spinach | 23 kcal | 6.9 kcal (1 cup raw) |
| 29 | 🥬 Arugula | 25 kcal | 5 kcal (1 cup) |
| 30 | 🥬 Cabbage | 25 kcal | 22.3 kcal (1 cup shredded) |
| 31 | 🥦 Cauliflower | 25 kcal | 26.8 kcal (1 cup florets) |
| 32 | 🍆 Eggplant | 25 kcal | 20.5 kcal (1 cup cubes) |
| 33 | 🎃 Pumpkin | 26 kcal | 30.2 kcal (1 cup cubes) |
| 34 | 🥤 Sports Drink | 26 kcal | 130 kcal (1 bottle (500 ml)) |
| 35 | 🎋 Bamboo Shoots | 27 kcal | 40.8 kcal (1 cup sliced) |
| 36 | 🟢 Kohlrabi | 27 kcal | 36.5 kcal (1 cup sliced) |
| 37 | 🥬 Mustard Greens | 27 kcal | 15.1 kcal (1 cup raw) |
| 38 | 🫑 Yellow Bell Pepper | 27 kcal | 32.4 kcal (1 medium) |
| 39 | 🧋 Iced Tea (lemon) | 28 kcal | 140 kcal (1 bottle (500 ml)) |
| 40 | 🟣 Turnip | 28 kcal | 36.4 kcal (1 cup cubes) |
| 41 | 🌶️ Jalapeno | 29 kcal | 4.1 kcal (1 pepper) |
| 42 | 🍋 Lemon | 29 kcal | 16.8 kcal (1 medium lemon) |
| 43 | 🌱 Bean Sprouts | 30 kcal | 31.2 kcal (1 cup) |
| 44 | 🧋 Iced Tea (peach) | 30 kcal | 150 kcal (1 bottle (500 ml)) |
| 45 | 🍋 Lime | 30 kcal | 20.1 kcal (1 medium lime) |
| 46 | 🍉 Watermelon | 30 kcal | 45.6 kcal (1 cup diced) |
| 47 | 🥬 Fennel | 31 kcal | 27.0 kcal (1 cup sliced) |
| 48 | 🫘 Green Beans | 31 kcal | 34.1 kcal (1 cup) |
| 49 | 🫑 Red Bell Pepper | 31 kcal | 36.9 kcal (1 medium) |
| 50 | 🎃 Spaghetti Squash | 31 kcal | 31.3 kcal (1 cup) |
Frequently asked questions
Which food is highest in low-calorie foods?
In this database, Sparkling Water ranks first at 0 kcal per 100 g.
Are these values per 100 g or per serving?
Both: the ranking uses per 100 g so foods compare fairly, and the table also shows the value for a typical serving.
Where do the numbers come from?
USDA-based food data. Values are estimates and can vary by brand and preparation.