Dairy and eggs

How much protein is in feta?

An ounce of feta has about 4 g of protein.

That's 14 g of protein per 100 g, or 5.4 g for every 100 calories.

Protein per serving

Protein and calories in common servings of feta, from USDA data.
ServingWeightProteinCalories
1 oz28 g4 g75
1 cup, crumbled150 g21 g398
100 g100 g14 g265

How feta compares

Other dairy and eggs, ranked by how much protein you get per 100 calories.

FoodProtein per 100 gProtein per 100 calories
Whey protein powderwhey-based 78 g 22 g
Egg whitesraw 11 g 21 g
Greek yogurtplain, nonfat 10 g 17 g
Cottage cheese2% low-fat 11 g 13 g
Skim milknonfat 3.4 g 9.9 g
Plain yogurtlow fat 5.3 g 8.3 g
Ricottapart-skim 11 g 8.3 g
Eggswhole, hard-boiled 13 g 8.1 g
Mozzarellapart-skim, low moisture 24 g 8.1 g
Swiss cheesesliced 27 g 6.9 g
Parmesangrated 28 g 6.8 g
Milk2% reduced fat 3.3 g 6.6 g
Cheddar cheeseregular 23 g 5.7 g
Whole milk3.25% fat 3.2 g 5.2 g

How it fits into a meal

For building muscle, Schoenfeld and Aragon's 2018 review of the research suggests about 0.4 g of protein per kilogram of body weight at each meal, spread over at least four meals a day. At 170 lb (77 kg), that's about 31 g a meal. An ounce of feta covers about 13% of that.

Work out your own daily and per-meal target with the protein calculator.

Nutrition data: USDA FoodData Central ("Cheese, feta", FDC ID 173420). Actual values vary by brand, recipe and cooking method, so treat these numbers as close estimates.