Yogurt Calories & Nutrition Calculator

The calorie range across yogurt types is wider than most people expect. Plain whole milk yogurt contains 61 kcal per 100g, while flavored strawberry yogurt reaches 99 kcal per 100g — a 62% increase driven almost entirely by added sugar ^[1]. Greek yogurt, despite its reputation as a protein-dense option, sits at 97 kcal per 100g — nearly matching flavored yogurt in calories but for completely different reasons (higher fat and protein rather than sugar) ^[1].

At the low end, nonfat plain yogurt provides just 56 kcal per 100g with a remarkable 5.7g of protein — the best protein-to-calorie ratio among common yogurt types. The USDA reports that yogurt consumption in the U.S. has increased significantly over the past two decades, with Greek yogurt now representing a substantial share of the market ^[2].

The key nutritional distinction isn't "yogurt vs. no yogurt" — it's which yogurt you choose. A 245g cup (one standard serving) of flavored yogurt delivers 243 calories, while the same cup of plain nonfat yogurt delivers only 137 calories — a 106 calorie difference from the same serving size ^[1].

Greek yogurt's distinguishing feature is its straining process, which removes excess whey (liquid). This concentrates the protein from 3.5g per 100g (regular plain) to 9.0g per 100g (Greek) — a 2.6x increase ^[1][3]. The same straining also concentrates fat, which is why whole milk Greek yogurt has 5.0g fat per 100g compared to 3.3g for regular ^[1].

The calorie trade-off is worth examining: you pay 97 calories for 9.0g protein with Greek yogurt, versus 61 calories for 3.5g protein with regular plain. Per calorie, Greek yogurt delivers 9.3g protein per 100 calories, while regular whole milk yogurt delivers 5.7g protein per 100 calories. Greek yogurt is substantially more protein-efficient ^[3].

The straining process also reduces carbohydrates and lactose: Greek yogurt contains 3.6g carbs per 100g vs. 4.7g for regular. This lower sugar content (from reduced lactose) is a factor some people consider when choosing between yogurt types. The reduced carbohydrate content also makes Greek yogurt a common choice for those specifically tracking carb intake ^[4].

Plain whole milk yogurt contains 4.7g of sugar per 100g — all of which is naturally occurring lactose from the milk. Flavored strawberry yogurt contains 17.6g sugar per 100g — meaning approximately 12.9g per 100g is added sugar from sweeteners, fruit preparations, and flavorings ^[1][5].

In a standard 170g single-serve container of flavored yogurt, that translates to approximately 22g of added sugar — close to half the FDA's recommended daily limit of 50g, and already exceeding the American Heart Association's suggested limit of 25g for women. This is more added sugar than many people realize they're consuming from what is often perceived as a "light" food ^[1].

The calorie impact is significant: a 170g container of flavored yogurt delivers 168 calories vs. 104 calories for the same amount of plain whole milk yogurt — a 64-calorie difference driven entirely by sugar. Buying plain yogurt and adding your own fresh berries (25 calories per 50g) and a teaspoon of honey (21 calories) gives you sweetness for 46 additional calories while preserving control over the sugar amount ^[5].

Yogurt is one of the most accessible dietary sources of calcium, providing 110–199mg per 100g depending on the variety. Nonfat yogurt tops the list at 199mg per 100g, followed by low-fat (183mg), flavored (152mg), plain whole milk (121mg), and Greek (110mg) ^[1]. The reason nonfat has more calcium per 100g than whole milk yogurt is concentration: removing fat increases the proportion of calcium-containing dairy solids ^[3].

For context, whole milk provides about 125mg calcium per 100g, cheddar cheese provides 721mg per 100g (but is consumed in much smaller portions), and the daily recommended calcium intake is 1,000–1,300mg depending on age and sex ^[1].

A single 245g cup of plain yogurt delivers 296mg calcium — approximately 23–30% of the daily recommended intake. Greek yogurt provides slightly less calcium per serving (270mg per cup) because the straining process removes some calcium-containing whey. For those tracking calcium intake, regular yogurt varieties deliver more calcium per calorie than Greek ^[4].

The fat reduction in yogurt is straightforward: whole milk yogurt has 3.3g fat per 100g, low-fat has 1.6g, and nonfat has 0.2g. But the downstream effects on other nutrients are less intuitive ^[1].

Protein increases as fat decreases: nonfat yogurt contains 5.7g protein per 100g vs. 3.5g for whole milk — because removing fat concentrates the protein-containing dairy solids. Similarly, calcium increases: 199mg in nonfat vs. 121mg in whole milk. Carbohydrates also increase: 7.7g in nonfat vs. 4.7g in whole milk, because the lactose becomes a larger proportion of the remaining solids ^[1].

Calorie-wise, the gap is smaller than expected: 56 kcal (nonfat) vs. 61 kcal (whole milk) per 100g — only 5 calories apart. The more meaningful calorie difference is between plain and flavored: at 99 kcal, flavored yogurt has 63% more calories than whole milk plain and 77% more than nonfat plain ^[1].

Each type has its use case: whole milk yogurt for fullness and creamier texture, low-fat for a moderate middle ground, nonfat for maximum protein-per-calorie, and Greek for the highest absolute protein content. Our calculator lets you compare these side by side.