Kefir calories
Kefir gives 43 kcal per 100 g. A typical 243 g serving is about 104 kcal, so it's easy to fit into almost any day.
A serving covers about 5% of the 2,000 kcal reference day used on US nutrition labels.
A real serving: 94 to 115 kcal
Nutrition facts
| Nutrient | Per 100 g | Per serving (243 g) |
|---|---|---|
| kcal | 43 | 104 |
| Protein, g | 3.8 | 9.2 |
| Fat, g | 1.0 | 2.4 |
| Carbs, g | 4.8 | 11.7 |
| Fiber, g | 0.0 | 0.0 |
Calories by portion
| Portions | Most likely | Range, kcal | Steps to burn |
|---|---|---|---|
| ½ · 122 g | 52 kcal | 47-57 | 1,600 |
| 1 · 243 g | 104 kcal | 94-115 | 3,300 |
| 1½ · 364 g | 157 kcal | 141-172 | 4,900 |
| 2 · 486 g | 209 kcal | 188-230 | 6,500 |
The same portion buttons as in the Kalorea app: ½, 1, 1½ and 2 servings.
How long to burn one serving
About 3,300 steps, or 25 minutes of brisk walking for an average adult.
How we count: an adult of 75 kg and 175 cm walking at 5.6 km/h burns (4.3 − 1) × 75 = 247.5 kcal an hour above resting. Steps are distance divided by a stride of 0.415 × height. That's about 31 steps per kcal. The Kalorea app uses your own height and weight.
Size is what changes the number here. Put something for scale next to it, like a fork or your hand, or type the weight if you know it.
Compared with similar foods
| Food | kcal / 100 g | Serving | Protein / 100 g |
|---|---|---|---|
| Almond milk | 15 | 36 kcal / 240 g | 0.4 g |
| Skim milk | 34 | 83 kcal / 245 g | 3.4 g |
| Kefir | 43 | 104 kcal / 243 g | 3.8 g |
| Oat milk | 48 | 115 kcal / 240 g | 0.8 g |
| Soy milk | 48 | 117 kcal / 243 g | 2.9 g |
| 2% milk | 50 | 122 kcal / 244 g | 3.3 g |
| Whole milk | 60 | 146 kcal / 244 g | 3.2 g |
| Plain yogurt | 69 | 117 kcal / 170 g | 3.6 g |
| Greek yogurt | 73 | 146 kcal / 200 g | 9.9 g |
Lightest in this group per 100 g: Almond milk.
Where the numbers come from
Values from USDA FoodData Central, a public domain (CC0) database by the US Department of Agriculture: FDC 170904 (Kefir, lowfat, plain, LIFEWAY).
The ±10% range covers natural variation between samples: size, variety, ripeness or fat content, and how it was prepared.
Questions
How many calories in kefir?
Kefir has about 43 kcal per 100 g. A typical 243 g serving is about 104 kcal, and realistically anywhere from 94 to 115 kcal depending on the recipe and portion.
How much protein is in kefir?
3.8 g of protein per 100 g, or about 9.2 g in a 243 g serving.
Your plate isn't a lab sample
Snap your own kefir and Kalorea estimates what's actually on your plate, with a range and macros.