How much protein is in nonfat Greek yogurt?

Nonfat Greek yogurt has 10.2 g of protein per 100 g and 17.3 g per 1 container (170 g). That is 17.3 g of protein per 100 kcal — a high-protein food by any standard.

Where do these calorie figures come from?

USDA FoodData Central record 170894, “Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)” (SR Legacy, FDC SR Legacy 2018-04 + FNDDS 2024-10-31). Energy is USDA nutrient 1008 (Energy, kcal); protein, fat and carbohydrate are read from the same record. USDA data is in the public domain, and the FDC ID above links straight to it.

All foods

Yogurt and cottage cheeseUSDA SR LegacyFDC 170894

Calories in nonfat Greek yogurt

USDA FoodData Central record for “Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)” — per 100 g, per every USDA serving size, and next to the other yogurt and cottage cheese rows.

The short answer

Nonfat Greek yogurt: 59 kcal per 100 g. 1 container (170 g) is 100 kcal with 17.3 g of protein. Source: USDA FoodData Central record 170894, "Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)".

Per 100 g

Nutrient	Per 100 g	Share of energy
Energy	59 kcal	100%
Protein	10.2 g	69%
Fat	0.4 g	6%
Carbohydrate	3.6 g	24%

Nonfat Greek yogurt is 59 kcal per 100 g in USDA FoodData Central (SR Legacy). Of that energy, about 69% comes from protein, 6% from fat and 24% from carbohydrate. That works out to 17.3 g of protein per 100 kcal — a high-protein food by any standard.

Per serving

The serving sizes USDA lists for this record, priced from the per-100 g figures above. Nothing here is rounded to a “portion” — the gram weight next to each label is what the calories are computed from.

Serving	Weight	Calories	Protein	Fat	Carbs
100 g	100 g	59	10.2 g	0.4 g	3.6 g
1 container	170 g	100	17.3 g	0.7 g	6.1 g

Compared with other yogurt and cottage cheese

Food	kcal / 100 g	Protein / 100 g	Per serving
Nonfat Greek yogurt	59	10.2 g	100 kcal · 1 container
Plain whole-milk yogurt	61	3.5 g	104 kcal · 1 container (6 oz)
Plain low-fat yogurt	63	5.3 g	107 kcal · 1 container (6 oz)
2% cottage cheese	81	10.5 g	183 kcal · 1 cup (not packed)

Worth knowing

Straining yogurt removes whey and water, which is what makes Greek yogurt about twice as protein-dense as regular. Nonfat Greek yogurt is close to 10 g of protein per 100 g for under 60 kcal — a ratio only lean meat and egg white beat.

Other tables in dairy and egg products

The same numbers for the foods this one usually shares a plate — or a shopping list — with.

Questions about nonfat Greek yogurt

How many calories are in nonfat Greek yogurt?: Nonfat Greek yogurt: 59 kcal per 100 g. 1 container (170 g) is 100 kcal with 17.3 g of protein. Source: USDA FoodData Central record 170894, "Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)".
How much protein is in nonfat Greek yogurt?: Nonfat Greek yogurt has 10.2 g of protein per 100 g and 17.3 g per 1 container (170 g). That is 17.3 g of protein per 100 kcal — a high-protein food by any standard.
Where do these calorie figures come from?: USDA FoodData Central record 170894, “Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)” (SR Legacy, FDC SR Legacy 2018-04 + FNDDS 2024-10-31). Energy is USDA nutrient 1008 (Energy, kcal); protein, fat and carbohydrate are read from the same record. USDA data is in the public domain, and the FDC ID above links straight to it.

How calorie.one logs it

Type “nonfat Greek yogurt” into calorie.one and the app matches this exact record — “Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)” — estimates the grams, and shows the line with its USDA label. You correct the amount; the per-100 g figure is never guessed. That split between recognition and arithmetic is the whole methodology. For the numbers in context, read How much protein do you need per day?.