How much protein and fiber are in one cup of lentils?

Lentils, 1 cup (198 g), contain about 17.9 g of protein, 15.6 g of fiber and 230 kcal, according to USDA FoodData Central.

At a glance

Protein
17.9 g
Fiber
15.6 g
Calories
230 kcal
Protein per 100 kcal
7.8 g

Portions from USDA FoodData Central

USDA FoodData Central values for Lentils. Chosen serving: 1 cup (198 g).
Portion Grams Calories Protein Fiber Carbohydrate Fat
Chosen serving: 1 cup 198 g 230 kcal 17.9 g 15.6 g 39.8 g 0.8 g
Per 100 g 100 g 116 kcal 9 g 7.9 g 20.1 g 0.4 g
1 tbsp 12.3 g 14.3 kcal 1.1 g 1 g 2.5 g 0 g

A familiar serving, made clear

One cup of cooked lentils is about a bowl-sized portion, with both protein and fiber.

Where these numbers come from

USDA description: Lentils, mature seeds, cooked, boiled, without salt. FDC ID: 172421. Dataset: USDA FoodData Central, SR Legacy, April 2018 release, published 2019-04-01. Food record published 4/1/2019; dataset retrieved 20 September 2026.

Use these values to orient your meal, then make the journal match what was on your plate.

Related references

Foods

Black beans Chickpeas Quinoa

Comparisons

Lentils or black beans: which have more protein and fiber?

Read the protein evidence and its limits.

Written by
Dr. Loredana Gavrilovici, Founder of Food & Fit
Published

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