Calories in Buttermilk, low fat
Generic food Dairy and Eggs
Buttermilk, low fat contains 43 kcal per 100 g.
Roughly 45% of its calories come from carbohydrates, with 32% from protein and 23% from fat (estimated with general energy factors).
That is less energy than the typical item in dairy and egg products on FoodFactly, where the median is 181 kcal per 100 g across 310 foods.
100 g provides 23% of the Daily Value for iodine and 15% of the Daily Value for Riboflavin (B2).
The data comes from USDA FoodData Central: Foundation Foods.
Nutrition facts
The source reports no household measures (such as cups or pieces) for this food, so only weights are offered.
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 42.9 kcal | |
| Total fat M | 1.1 g | 1% |
| Saturated fat M | 0.55 g | 3% |
| Cholesterol M | 4.8 mg | 2% |
| Sodium M | 92.5 mg | 4% |
| Total carbohydrates C | 4.8 g | 2% |
| Dietary fiber | not reported | |
| Total sugars | not reported | |
| Protein C | 3.5 g | 7% |
| Vitamin D C | 0.54 µg | 3% |
| Vitamin K M | 0 µg | 0% |
| Thiamin (B1) M | 0.049 mg | 4% |
| Riboflavin (B2) M | 0.2 mg | 15% |
| Niacin (B3) M | 0.13 mg | 0.8% |
| Vitamin B6 M | 0.039 mg | 2% |
| Biotin (B7) M | 0 µg | 0% |
| Calcium M | 120 mg | 9% |
| Iron M | 0.013 mg | 0.1% |
| Magnesium M | 11 mg | 3% |
| Phosphorus M | 92.2 mg | 7% |
| Potassium M | 158 mg | 3% |
| Zinc M | 0.43 mg | 4% |
| Copper M | 0.001 mg | 0.2% |
| Manganese M | 0 mg | 0% |
| Iodine M | 34.2 µg | 23% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 32%
- Carbohydrates 45%
- Fat 23%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein3.5 gin the lowest quarter of dairy and egg products (median 9 g)
- Fat1.1 gin the lowest quarter of dairy and egg products (median 8.3 g)
- Saturated fat0.55 gin the lowest quarter of dairy and egg products (median 3.3 g)
- Sodium92.5 mgbelow the median for dairy and egg products (median 129 mg)
- Protein per 100 kcal8.1 gprotein density, useful for comparing foods with different calorie levels
- Water89.8 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (1)
| Monounsaturated fat M | 0.2 g |
|---|
Sugars and starch (6)
| Sucrose M | 0 g |
|---|---|
| Glucose M | 0 g |
| Fructose M | 0 g |
| Lactose M | 3.7 g |
| Maltose M | 0 g |
| Galactose M | 0 g |
Individual fatty acids (5)
| SFA 12:0 M | 0.028 g |
|---|---|
| SFA 14:0 M | 0.089 g |
| SFA 16:0 M | 0.26 g |
| SFA 18:0 M | 0.085 g |
| PUFA 18:2 n-6 c,c M | 0.022 g |
Carotenoids (4)
| Retinol M | 36 µg |
|---|---|
| Vitamin D (D2 + D3), International Units C | 21.7 IU |
| Vitamin D2 (ergocalciferol) M | 0 µg |
| Vitamin D3 (cholecalciferol) M | 0.54 µg |
Other components (5)
| Water M | 89.8 g |
|---|---|
| Nitrogen M | 0.54 g |
| Ash M | 0.85 g |
| Vitamin K (Menaquinone-4) M | 0.3 µg |
| Vitamin K (Dihydrophylloquinone) M | 0 µg |
Other forms of Buttermilk
Raw, cooked, dried and processed versions are separate records with their own measured values.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Buttermilk | 43 | 3.5 g | 4.8 g | 1.1 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Foods with a similar nutritional profile
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Milk, lowfat, fluid, 1% milkfat, with added nonfat milk solids, vitamin A and vitamin D | 43 | 3.5 g | 5 g | 0.97 g |
| Milk, lowfat, fluid, 1% milkfat, protein fortified, with added vitamin A and vitamin D | 48 | 3.9 g | 5.5 g | 1.2 g |
| Milk, reduced fat, fluid, 2% milkfat, with added nonfat milk solids and vitamin A and vitamin D | 51 | 3.5 g | 5 g | 1.9 g |
| Milk, nonfat, fluid, protein fortified, with added vitamin A and vitamin D (fat free and skim) | 41 | 4 g | 5.6 g | 0.25 g |
| Milk, reduced fat, fluid, 2% milkfat, with added nonfat milk solids, without added vitamin A | 56 | 4 g | 5.5 g | 2 g |
| Yogurt, plain, nonfat | 50 | 4.2 g | 8.1 g | 0.088 g |
| Milk, filled, fluid, with blend of hydrogenated vegetable oils | 63 | 3.3 g | 4.7 g | 3.5 g |
| Milk, producer, fluid, 3.7% milkfat | 64 | 3.3 g | 4.7 g | 3.7 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in buttermilk?
100 g of buttermilk has 43 kcal.
How much protein is in buttermilk?
Buttermilk contains 3.5 g of protein per 100 g (7% of the 50 g Daily Value). About 32% of its calories come from protein. Compared with other dairy and egg products, that is in the lowest quarter (median 9 g).
How many carbs are in buttermilk?
Buttermilk has 4.8 g of total carbohydrates per 100 g.
How much fat is in buttermilk?
Buttermilk contains 1.1 g of fat per 100 g, of which 0.55 g is saturated (3% of the Daily Value).
What vitamins and minerals does buttermilk contain?
Per 100 g, the most notable amounts relative to the Daily Value are iodine (23% DV) and Riboflavin (B2) (15% DV). The full list is in the vitamins and minerals table above.
How much sodium is in buttermilk?
100 g contains 92.5 mg of sodium, 4% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: Foundation Foods, record dated April 28, 2022. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- USDA FoodData Central: Foundation Foods, record 2259792. License: CC0 1.0 (U.S. public domain). Source record dated April 28, 2022. Imported November 6, 2026.
Last updated: . Data quality score: 85/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.