how many grams in a cup of sour cream?

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things people ask

• Why does my sour cream coffee cake call for exactly 1 cup of sour cream?
  Because that's one full 8 oz tub at 227 g, and the recipe is built around finishing the container. Sour cream coffee cake, classic cheesecakes, and pound cakes lean on the cup measure for a reason — the fat and acid ratios are tuned to that 227 g figure, and a half-tub leftover is annoying. Weighing matters most when you're scaling the recipe up or halving it.
• Can I substitute reduced-fat sour cream cup-for-cup?
  Yes, for most baking. A cup of reduced-fat sour cream still weighs around 227 g and behaves similarly in cakes, muffins, and quick breads — the texture stays tender because the acid and water content drive the crumb more than the fat does. Skip the swap for ganache-style frostings or stroganoff sauces, where full-fat keeps the sauce from breaking when it hits heat.
• Is Mexican crema the same as sour cream by the cup?
  By weight, roughly — a cup of crema lands close to 227 g. By behavior, no. Crema is thinner and pourable, with less tang and a higher fat content that resists curdling, which is why it's spooned over tacos and enchiladas instead of folded into batter. For a 1-cup substitution in baking, American sour cream gives you more lift; for finishing a dish, crema drapes better.

related conversions

• Sour Cream: tablespoons to grams
• Sour Cream: teaspoons to grams
• Sour Cream guide