One cup of plain nonfat Greek yogurt lands around 130–150 calories, while whole milk versions sit near 220.
Calories Per Cup
Protein Per Cup
Sugar If Flavored
Nonfat Plain
- ~100 kcal per 170 g single cup
- ~17 g protein
- Low lactose due to straining
Lean & Filling
Low-Fat (2%) Plain
- ~150–180 kcal per cup
- ~18–20 g protein
- Creamier texture
Balanced
Whole Milk/Flavored
- ~220–260 kcal per cup
- ~20 g protein (plain)
- Flavors add sugars
Rich Or Sweet
Calories In One Cup Of Greek Yogurt: By Style
A cup isn’t always the same food. Fat level, straining, and flavor additions all change the math. Here’s a quick rundown using widely available data and common retail cup sizes.
| Style (Plain Unless Noted) | Calories Per Cup | Protein Per Cup |
|---|---|---|
| Nonfat Greek (plain) | ~130–150 | ~17–23 g |
| Low-Fat Greek (2%) | ~150–180 | ~18–20 g |
| Whole-Milk Greek (plain) | ~220 | ~20 g |
| Nonfat Greek (vanilla) | ~175–180 | ~20 g |
| Whole-Milk Greek With Fruit | ~260 | ~16–20 g |
Benchmarks for plain nonfat often start at 100 calories per 170 g single-serve cup, which scales to roughly the 130–150 range for a full measuring cup; flavored cups climb fast due to added sugars.
Whole-milk versions deliver more energy per bite because fat adds calories, while protein stays strong across styles. A typical whole-milk Greek cup clocks around 220 calories with ~20 g protein.
Once you’ve set your daily calorie needs, it’s easy to slot the right cup into breakfast or snacks.
How Serving Size And Straining Shift The Numbers
Greek yogurt is strained to remove whey, which concentrates solids. That’s why a 170 g cup hits around 17 g protein with only ~100 calories, while a full 245 g measuring cup lands higher. Brand fill weights vary, so two “cups” on labels can mean different grams and calories.
Fat level changes total energy more than it changes protein. Switching from nonfat to whole milk pushes calories from near 140 to roughly 220 per cup, with protein staying in the high-teens to low-twenties.
Sweetened flavors bring a second lever: added sugars. Vanilla or fruit-on-the-bottom styles commonly add 40–80 extra calories per cup compared with unsweetened plain.
Macronutrients In A Cup: What You’re Getting
Plain nonfat Greek yogurt leans protein-forward: about 17 g protein per 170 g single cup, modest carbs from lactose, and minimal fat. Protein rises further once you choose extra-thick strains.
Whole-milk Greek keeps the protein but adds creaminess from milkfat; per 100 g, energy density is higher than nonfat, and a full cup multiplies that difference.
If you track calcium, a typical nonfat Greek single cup provides around 170–190 mg; whole-milk sits in a similar zone per 170 g with differences by brand.
Label Clues That Change Your Cup
Weight In Grams
Check the gram weight next to “Serving Size.” A cup on one brand may be 150–170 g, while a home measuring cup is ~245 g. That alone can swing calories by 40–70%.
Plain Vs Flavored
Vanilla and fruit cups often add 10–20 g sugar, even in nonfat versions. That can push a serving from ~100 to ~175–180 calories in a 170 g cup.
Milkfat Percentage
Percent milkfat (0%, 2%, whole) is the fastest way to guess the range: nonfat lowest, low-fat in the middle, whole milk richest. Typical plain whole-milk Greek near 220 calories per cup illustrates the gap.
Plain Or Flavored: Which Fits Your Day?
Plain is the flexible base. Add fruit, a spoon of honey, or a sprinkle of nuts and you can steer flavor without overshooting your plan. Branded flavored cups are convenient, yet the sugar jump can crowd out other carbs in a meal.
For big picture diet planning, the current Dietary Guidelines for Americans outline dairy as a core food group; strained yogurt fits neatly when you want protein in a small volume.
Protein Benefits You Can Feel
That 17–24 g protein per cup helps keep hunger in check and pairs well with fruit or grains to round out a meal. Nonfat styles reach 17 g per 170 g without added sugars, while whole-milk plain keeps protein near 20 g per cup.
If you like a silky texture with fewer carbs than regular yogurt, the straining process is what delivers it. Many brands show similar protein numbers across fat levels; the calories rise mostly from fat, not protein drops.
Portion Math: From Spoonfuls To Bowls
Here’s a quick converter to help you eyeball common amounts at home.
| Portion | Rough Weight | Calorie Guide* |
|---|---|---|
| 2 Tbsp dollop (topping) | ~30 g | ~20 (nonfat plain) |
| Half cup snack | ~120 g | ~70–100 (nonfat plain) |
| Single-serve cup | 150–170 g | ~90–120 (nonfat plain) |
| Full measuring cup | ~245 g | ~130–150 (nonfat plain) |
*Estimates based on typical nonfat plain Greek yogurt at ~100 calories per 170 g; flavored and whole-milk styles run higher.
Add-Ins That Sneak In Calories
Small extras can swing totals by a lot. Mix-ins bring texture and nutrients, but the energy adds up quickly. Use this guide to build a bowl that hits your target.
| Mix-In | Typical Portion | Extra Calories |
|---|---|---|
| Honey | 1 tsp | ~21 |
| Granola | 1/4 cup | ~120–140 |
| Almonds | 1 Tbsp | ~50 |
| Blueberries | 1/2 cup | ~40 |
| Peanut Butter | 1 tsp | ~32 |
| Dark Chocolate Chips | 1 Tbsp | ~70 |
Keep the base plain and sweeten with fruit when you want more volume for fewer calories. Store-bought vanilla cups already include sugar, so toppings on top of vanilla ramp totals quickly.
Smart Ways To Use Greek Yogurt
Breakfast Bowls
Start with plain nonfat or low-fat. Add berries and a spoon of oats. You get protein for staying power and color from fruit, with a carb load that’s easy to log.
Lunch Swaps
Use it in place of mayo in chicken salad, or stir into tuna with lemon and dill. You’ll cut calories and keep a creamy texture that fits wraps and sandwiches.
Savory Sauces And Dips
Whisk with garlic, olive oil, and herbs for a fast dressing. Stir in cucumber for a quick tzatziki to pair with grilled meat or roasted veggies.
Reading Brand Labels Without Guesswork
Two brands can print the same serving name but list different weights. Check grams first, then calories, then sugars. A plain nonfat cup near 170 g with ~100 calories and ~17 g protein is a solid baseline; anything far from that deserves a closer look.
For whole-milk plain, ~220 calories per full cup is a fair expectation. Flavored nonfat often lands around 175–180 per 170 g cup due to sugar. Fruit-on-the-bottom whole-milk cups can reach ~260 per cup.
When A Higher-Calorie Cup Makes Sense
Training days or long gaps between meals may call for more energy. Whole-milk Greek offers that in one bowl with strong protein. If you want the same texture with fewer calories, stick to nonfat and add nuts or olive oil in measured amounts.
Storage, Safety, And Lactose Notes
Keep yogurt refrigerated and watch the “use by” date. The straining process drops lactose compared with regular yogurt, which many people find gentler. Brands also differ in cultures and ferment times, which can shift taste and tang without changing calorie math.
Putting It All Together
For a low-calorie, high-protein base, plain nonfat Greek in a 170 g cup sits near 100 calories and ~17 g protein; scaling to a full measuring cup puts you near 130–150. Whole-milk plain hovers around 220 per cup, and flavored cups push higher through added sugars. With that map, you can balance taste, texture, and energy any day.
Want a deeper walkthrough? Try our calorie deficit guide.