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Cooking conversion
Grams of Sour Cream to Cups
How many cups of sour cream are in a given weight? Type a number of grams below to see the volume. Math uses sour cream's density of 1.014 g/mL.
Calculator
100 g of sour cream = 0.41684 cup
Grams of Sour Cream to Cups Conversion Table
Common values for sour cream:
| Grams of sour cream | Cups |
|---|---|
| 10 g | 0.041684 cup |
| 25 g | 0.10421 cup |
| 50 g | 0.20842 cup |
| 100 g | 0.41684 cup |
| 150 g | 0.62526 cup |
| 200 g | 0.83368 cup |
| 250 g | 1.0421 cup |
| 500 g | 2.0842 cup |
| 1000 g | 4.1684 cup |
How this works
Sour cream has a density of about 1.014 g/mL (usda fooddata central). That means 1 mL of sour cream weighs 1.014 grams.
Cups = grams × 0.0042
Note: Full-fat.
Why a cup of sour cream doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of sour cream can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here (1.014 g/mL) matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.
Sourced from USDA FoodData Central. Full-fat.
Volume vs weight in cooking
The American convention of measuring ingredients by volume (cups, tablespoons, teaspoons) is convenient but introduces variability that doesn't exist in weight-based recipes. Most professional bakers and bakeries weigh ingredients to within a gram because the structure of baked goods depends on precise ingredient ratios. For everyday cooking — soups, sauces, sautés — the volume-to-weight imprecision rarely matters. For baking that depends on rising or texture (cakes, breads, laminated doughs), it matters a lot.
The conversion
Multiplying the volume of sour cream by its density (1.014 g/mL) gives the weight in grams. The calculator at the top of this page does the math automatically; the formula box above shows the resulting linear factor for the specific volume and weight units selected here.