A standard serving of plain whole-milk yogurt contains about 100 calories per 6-ounce cup, but that number shifts dramatically depending on the style, fat content, and flavorings. A flavored yogurt with granola on top can easily hit 300 calories or more, while a plain nonfat option might come in under 80. Here’s how the numbers break down across the types you’ll actually find at the store.
Plain Yogurt by Fat Level
Plain whole-milk yogurt runs about 61 calories per 100 grams. Scale that up to a typical 6-ounce (170-gram) container and you’re looking at roughly 100 to 104 calories. Drop the fat content and the calories follow: low-fat plain yogurt falls to around 63 calories per 6-ounce serving, and nonfat versions sit closer to 55 to 60 calories for the same portion.
These numbers apply to plain, unflavored yogurt with no added sugar. The moment a manufacturer adds vanilla, fruit puree, or sweetener, the calorie count can jump by 40 to 80 calories per container, sometimes more. If you’re comparing labels, the ingredient list matters more than the front-of-package marketing.
Greek Yogurt vs. Regular Yogurt
Greek yogurt is strained to remove most of its liquid whey, which concentrates its protein and slightly raises its calorie count. In a 200-gram serving of the low-fat versions, regular yogurt has about 126 calories with 10.5 grams of protein, while Greek yogurt has 146 calories with nearly 20 grams of protein. That’s almost twice the protein for only 20 extra calories.
Greek yogurt also contains roughly half the carbs and sugar of regular yogurt, which is why it tastes thicker and more tart. If you’re choosing yogurt primarily for protein, the slight calorie bump of Greek yogurt is a good trade. Per gram of protein, it’s one of the more efficient options in the dairy aisle.
Skyr: The Highest-Protein Option
Icelandic skyr pushes the protein-to-calorie ratio even further. A 6-ounce (170-gram) serving of unflavored skyr has about 110 calories and 19 grams of protein, with essentially zero fat. Per 100 grams, skyr delivers around 11 grams of protein, compared to about 7 grams in Greek yogurt and 3.2 grams in whole milk.
Skyr also packs meaningful amounts of calcium (20% of the daily value per serving) and vitamin B-12 (17%). The texture is noticeably thicker than Greek yogurt, almost like a soft cheese. Calorie-wise it sits in the same range as Greek, but the extra protein density makes it popular with people tracking macros closely.
Popular Brands and What They Cost You
Store-bought flavored yogurts vary widely. Here’s what several popular options contain per 150-gram (roughly 5.3-ounce) single-serve container:
- Chobani Zero Sugar Vanilla: 60 calories
- Dannon Light + Fit Original Vanilla: 70 calories
- FAGE Total 0% Greek Yogurt (plain): 80 calories
- Oikos Triple Zero Vanilla: 90 calories
These are all low-calorie options by design. A standard Chobani or FAGE with 2% or whole milk fat, or a fruit-on-the-bottom variety, typically lands between 120 and 170 calories for the same size container. Full-fat flavored Greek yogurts from specialty brands can reach 200 calories or higher.
Plant-Based Yogurt Alternatives
Non-dairy yogurts made from almond, coconut, soy, or oat bases generally fall in a similar calorie range to their dairy counterparts, but the protein content drops significantly unless the manufacturer adds protein isolates. Almond-based yogurts tend to be the lightest at roughly 50 to 90 calories per serving, reflecting the low calorie density of almond milk itself (about 39 calories per cup). Coconut-based versions are comparable, though they carry more saturated fat.
Oat-based yogurts run higher, often 130 to 150 calories per serving, since oat milk is the most calorie-dense plant milk at about 120 calories per cup. Soy yogurt sits in the middle around 100 to 130 calories and offers the best protein among plant options, with soy milk delivering about 7 grams of protein per cup. If you’re choosing plant-based yogurt, check for added sugars, which can vary dramatically between brands and push an otherwise moderate-calorie option much higher.
How Toppings Change the Math
Plain yogurt is relatively low in calories, but it rarely stays plain. Toppings are where the numbers can quietly double. A quarter-cup of granola adds roughly 130 to 140 calories, and most people pour more than a quarter cup. A tablespoon of honey adds about 64 calories. A drizzle of maple syrup runs similar. Even a tablespoon of nut butter contributes around 90 to 100 calories.
Fresh fruit is the lightest addition. Half a cup of mixed berries adds only 35 to 40 calories while contributing fiber and volume. A sliced banana adds about 50 calories for half the fruit. If you like the crunch of granola but want to keep calories lower, look for lighter alternatives like puffed rice or quinoa-based cereals, which can come in around 40 calories for a quarter cup.
A realistic yogurt bowl with granola, honey, and fruit can total 250 to 350 calories. That’s a perfectly reasonable breakfast, but it’s worth knowing since the yogurt alone might only account for a third of the total.
Why Yogurt Keeps You Full
Yogurt’s combination of protein and calcium appears to influence hunger hormones in a way that many other snacks don’t. Consuming yogurt and other dairy foods increases levels of gut hormones that signal fullness, helping reduce appetite in the hours that follow. The protein in dairy is absorbed at a rate that sustains this effect longer than simple carbohydrates would.
Research published in Nutrition Reviews supports the idea that regular yogurt consumption promotes weight stability, partly because people who eat yogurt regularly tend to eat less of the high-fat, high-sugar foods that drive excess calorie intake. The food’s thick texture and semi-solid form also slow eating speed, which gives your body more time to register satiety. This makes yogurt a practical choice for managing hunger between meals, especially the higher-protein varieties like Greek or skyr that deliver 15 to 20 grams of protein per serving.

