Calories (100 g)

Low-Calorie Foods: 30 Lightest per 100 g

The 30 foods with the fewest calories per 100 g. They are how you add volume to the plate when losing weight: you can eat plenty for very few calories.

Number 1: Watercress, with 11 kcal.

Low-Calorie Foods: 30 Lightest per 100 g
#	Food	Calories (100 g)	kcal / 100 g	Protein / 100 g	Serving
1	Watercress	11 kcal	11	2.3 g	40 g · 0.9 g P
2	Iceberg lettuce	14 kcal	14	0.9 g	80 g · 0.7 g P
3	Celery	14 kcal	14	0.7 g	60 g · 0.4 g P
4	Cucumber	15 kcal	15	0.7 g	100 g · 0.7 g P
5	Radish	16 kcal	16	0.7 g	60 g · 0.4 g P
6	Romaine lettuce	17 kcal	17	1.2 g	80 g · 1 g P
7	Tomato	18 kcal	18	0.9 g	120 g · 1.1 g P
8	Swiss chard (cooked)	20 kcal	20	1.9 g	100 g · 1.9 g P
9	Green bell pepper	20 kcal	20	0.9 g	100 g · 0.9 g P
10	Asparagus (cooked)	22 kcal	22	2.4 g	120 g · 2.9 g P
11	Okra (cooked)	22 kcal	22	1.9 g	100 g · 1.9 g P
12	Chayote (boiled)	22 kcal	22	0.6 g	120 g · 0.7 g P
13	Spinach	23 kcal	23	2.9 g	60 g · 1.7 g P
14	Cauliflower (boiled)	23 kcal	23	1.8 g	120 g · 2.2 g P
15	Arugula	25 kcal	25	2.6 g	40 g · 1 g P
16	Cabbage	25 kcal	25	1.3 g	100 g · 1.3 g P
17	Hearts of palm (canned)	28 kcal	28	2.5 g	60 g · 1.5 g P
18	Mushrooms (cooked)	28 kcal	28	2.2 g	100 g · 2.2 g P
19	Watermelon	30 kcal	30	0.6 g	200 g · 1.2 g P
20	Red cabbage	31 kcal	31	1.4 g	80 g · 1.1 g P
21	Red bell pepper	31 kcal	31	1 g	100 g · 1 g P
22	Leek (cooked)	31 kcal	31	0.8 g	80 g · 0.6 g P
23	Strawberries	32 kcal	32	0.7 g	150 g · 1.1 g P
24	Acerola cherries	32 kcal	32	0.4 g	120 g · 0.5 g P
25	Soy milk (unsweetened)	33 kcal	33	2.9 g	240 g · 7 g P
26	Collard greens (sautéed)	33 kcal	33	2.7 g	80 g · 2.2 g P
27	Skim milk	34 kcal	34	3.4 g	240 g · 8.2 g P
28	Cantaloupe melon	34 kcal	34	0.8 g	160 g · 1.3 g P
29	Kale	35 kcal	35	2.9 g	60 g · 1.7 g P
30	Broccoli (steamed)	35 kcal	35	2.4 g	120 g · 2.9 g P

How we built this list

Values per 100 g from USDA FoodData Central and the Brazilian TACO table, using cooked values for foods normally eaten cooked. Supplements, sweets and ready meals are left out unless stated. Servings are the most common household measure.

Frequently asked questions

Which food has the fewest calories?

Leafy greens (lettuce, watercress, rocket), cucumber, courgette and chayote are below 25 kcal per 100 g.

Does eating only low-calorie foods make you lose weight?

They help build a deficit, but the diet still needs protein and some carbs and fat. Pair them with the sources in the protein-per-calorie list.

Want this menu with your own numbers and tastes?

The generator works out your calories, respects what you like and dislike and builds the menu in one minute. Free, no sign-up.

Generate my meal plan

Low-Calorie Foods: 30 Lightest per 100 g

How we built this list

Frequently asked questions

Want this menu with your own numbers and tastes?

More food lists

Food comparisons