Calories in
sour cream, fat free
74 kcal per 100 g Sour cream, fat free contains 74 calories per 100 grams, or about 170 calories per cup. Per 100 g it provides 3.1 g protein, 15.6 g carbohydrate and 0.0 g fat.
By calories that splits 83% carbohydrate, 17% protein, 0% fat.
Calories in a typical serving
Per-100 g figures are useful for comparison but nobody eats 100 g of anything on purpose. These are the USDA's own household measures.
| Serving | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 tablespoon | 12.0 g | 9 | 0.4 g | 1.9 g | 0.0 g |
| 1 cup | 230.0 g | 170 | 7.1 g | 35.9 g | 0.0 g |
Full nutrition, per 100 g and per cup
| Nutrient | Per 100 g | Per cup |
|---|---|---|
| Energy | 74 kcal | 170 kcal |
| Protein | 3.1 g | 7.1 g |
| Total fat | 0.0 g | 0.0 g |
| Saturated fat | 0.0 g | 0.0 g |
| Carbohydrate | 15.6 g | 35.9 g |
| Fibre | 0.0 g | 0.0 g |
| Sugars | 0.4 g | 0.9 g |
| Sodium | 141.0 mg | 324.3 mg |
| Potassium | 129.0 mg | 296.7 mg |
| Calcium | 125.0 mg | 287.5 mg |
| Iron | 0.0 mg | 0.0 mg |
| Vitamin C | 0.0 mg | 0.0 mg |
| Vitamin A | 73.0 µg | 167.9 µg |
| Cholesterol | 9.0 mg | 20.7 mg |
| Water | 80.6 g | 185.4 g |
USDA FoodData Central, SR Legacy (FDC ID 173444). A dash means the nutrient was not measured for this item, which is not the same as zero.
How sour cream, fat free compares
Among the 72 dairy and egg products items on this site, sour cream, fat free ranks 66 of 72 by calorie density, against a category average of 309 kcal per 100 g — so it is about 76% less calorie-dense than typical for its group.
It carries 4.2 g of protein per 100 calories, so it is not a meaningful protein source.
To burn off one cup (170 kcal), a 70 kg adult would walk for roughly 35 minutes — see the walking calculation on our sister site, or pick a different activity. Treat that as a sense of scale rather than a rule: eating and moving are not a simple ledger.
Questions
How many calories are in sour cream, fat free?
Sour cream, fat free contains 74 calories per 100 g, which works out to about 170 calories per cup. It also provides 3.1 g of protein, 15.6 g of carbohydrate and 0.0 g of fat per 100 g.
What is the macro breakdown of sour cream, fat free?
By calories, sour cream, fat free is roughly 83% carbohydrate, 17% protein and 0% fat. That makes it a predominantly carbohydrate-based food.
How long does it take to burn off a cup?
About 35 minutes of ordinary walking for a 70 kg adult (MET 4.0). That is a rough guide for scale, not a prescription — appetite and activity interact in ways a simple subtraction does not capture.
Is this figure exact for the sour cream, fat free I bought?
No. These are USDA reference values, averaged across samples. Real foods vary with variety, ripeness, growing conditions, cut, brand and how they were cooked — 10–20% either way is normal. Use them for planning, not precision.
Similar foods
Closest in calorie density within dairy and egg products.
Source: USDA FoodData Central, SR Legacy — public domain. Full USDA description: "Sour cream, fat free". General information only — not medical or nutrition advice. Values are averages for a food type and vary by brand, ripeness and preparation.