Calories in Lettuce, for use on a sandwich

Generic food Meals and Dishes

Lettuce, for use on a sandwich contains 20 kcal per 100 g. A typical serving of guideline amount on regular sandwich (8 g) provides about 2 kcal.

Roughly 76% of its calories come from carbohydrates, with 19% from protein and 5% from fat (estimated with general energy factors).

100 g provides 62% of the Daily Value for Vitamin K and 34% of the Daily Value for Vitamin A.

The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.

20kcal per 100 g
0.92 gprotein
3.7 gcarbohydrates
0.1 gfat
2kcal in guideline amount on regular sandwich (8 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 20 kcal
Total fat C 0.1 g 0.1%
Saturated fat C 0.026 g 0.1%
Cholesterol C 0 mg 0%
Sodium C 23 mg 1%
Total carbohydrates C 3.7 g 1%
Dietary fiber C 1.3 g 5%
Total sugars C 1.1 g
Protein C 0.92 g 2%
Vitamin A C 302 µg34%
Vitamin C C 8 mg9%
Vitamin D C 0 µg0%
Vitamin E C 0.17 mg1%
Vitamin K C 73.9 µg62%
Thiamin (B1) C 0.066 mg6%
Riboflavin (B2) C 0.064 mg5%
Niacin (B3) C 0.32 mg2%
Vitamin B6 C 0.062 mg4%
Folate (B9) C 38 µg10%
Vitamin B12 C 0 µg0%
Choline C 10.5 mg2%
Calcium C 31 mg2%
Iron C 0.26 mg1%
Magnesium C 11 mg3%
Phosphorus C 23 mg2%
Potassium C 249 mg5%
Zinc C 0.26 mg2%
Copper C 0.04 mg4%
Selenium C 0.6 µg1%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 19%Carbohydrates: 76%Fat: 5%20kcal / 100 g
  • Protein 19%
  • Carbohydrates 76%
  • Fat 5%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamin K62%Vitamin A34%Folate (B9)10%Vitamin C9%Thiamin (B1)6%Potassium5%Riboflavin (B2)5%Copper4%Vitamin B64%Magnesium3%

Nutritional insights

  • Protein per 100 kcal4.6 gprotein density, useful for comparing foods with different calorie levels
  • Water94.7 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat C0.008 g
Polyunsaturated fat C0.11 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) C0 g
DHA (omega-3, 22:6 n-3) C0 g
Linoleic acid (omega-6, 18:2) C0.032 g
SFA 4:0 C0 g
SFA 6:0 C0 g
SFA 8:0 C0 g
SFA 10:0 C0 g
SFA 12:0 C0 g
SFA 14:0 C0 g
SFA 16:0 C0.024 g
SFA 18:0 C0.003 g
MUFA 18:1 C0.006 g
PUFA 18:3 C0.076 g
PUFA 20:4 C0 g
MUFA 16:1 C0.002 g
PUFA 18:4 C0 g
MUFA 20:1 C0 g
MUFA 22:1 C0 g
PUFA 22:5 n-3 (DPA) C0 g
Carotenoids (6)
Beta-carotene C3,620 µg
Lycopene C0 µg
Lutein + zeaxanthin C1,510 µg
Retinol C0 µg
Carotene, alpha C1 µg
Cryptoxanthin, beta C0 µg
Other components (8)
Water C94.7 g
Alcohol C0 g
Caffeine C0 mg
Theobromine C0 mg
Folic acid C0 µg
Folate, food C38 µg
Vitamin E, added C0 mg
Vitamin B-12, added C0 µg

Other forms of Lettuce

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Lettuce, butterhead (includes boston and bibb types), raw Raw 13 1.4 g 2.2 g 0.22 g
Lettuce, red leaf, raw Raw 13 1.3 g 2.3 g 0.22 g
Romaine lettuce, raw Raw 17 1.2 g 3.3 g 0.3 g
Iceberg lettuce, raw Raw 14 0.9 g 3 g 0.14 g
Lettuce, green leaf, raw Raw 15 1.4 g 2.9 g 0.15 g
Lettuce, iceberg, raw Raw 15 0.74 g 3.4 g 0.074 g
Lettuce, romaine, green, raw Raw 18 0.98 g 4.1 g 0.071 g
Lettuce, leaf, red, raw Raw 15 0.88 g 3.3 g 0.11 g
Lettuce, leaf, green, raw Raw 19 1.1 g 4.1 g 0.16 g
Lettuce, raw Raw 20 0.92 g 3.7 g 0.1 g
Lettuce, Boston, raw Raw 18 0.88 g 3.3 g 0.11 g
Lettuce, arugula, raw Raw 25 2.6 g 3.7 g 0.66 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
McDONALD'S, Side Salad 20 1 g 4.3 g 0.19 g
Cucumber, for use on a sandwich 16 0.62 g 3 g 0.18 g
Tomatoes, for use on a sandwich 20 0.82 g 4 g 0.31 g
Spinach, for use on a sandwich 27 2.9 g 2.4 g 0.62 g
Mushrooms, for use on a sandwich 31 2.9 g 4.1 g 0.35 g
Pepper, for use on a sandwich 27 0.81 g 5.7 g 0.12 g
Restaurant, Chinese, vegetable chow mein, without meat or noodles 43 1.3 g 5.7 g 1.7 g
Chow mein or chop suey, meatless, no noodles 43 1.3 g 5.7 g 1.7 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in lettuce?

100 g of lettuce has 20 kcal. Guideline amount on regular sandwich (8 g): about 2 kcal. Guideline amount on large sandwich (16 g): about 3 kcal.

How much protein is in lettuce?

Lettuce contains 0.92 g of protein per 100 g (2% of the 50 g Daily Value), or 0.074 g in guideline amount on regular sandwich (8 g). About 19% of its calories come from protein.

How many carbs are in lettuce?

Lettuce has 3.7 g of total carbohydrates per 100 g, including 1.3 g of fiber and 1.1 g of sugars.

How much fat is in lettuce?

Lettuce contains 0.1 g of fat per 100 g, of which 0.026 g is saturated (0.1% of the Daily Value).

What vitamins and minerals does lettuce contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin K (62% DV) and Vitamin A (34% DV). The full list is in the vitamins and minerals table above.

How much sodium is in lettuce?

100 g contains 23 mg of sodium, 1% of the 2,300 mg Daily Value.

Does lettuce have the same nutrition not specified and raw?

No. Per 100 g, lettuce, for use on a sandwich has 20 kcal, while lettuce, butterhead (includes boston and bibb types), raw has 13 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: FNDDS (Survey), record 2710250. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.