Yogurt, Plain, Skim Milk: How Many Grams in a Cup?

Plain skim milk yogurt is an unflavored, fat-free cultured dairy product with a density of 1.036 g/ml. One US cup weighs approximately 245 g and one tablespoon about 15.3 g. Without added sugars or flavorings, it delivers a clean, tangy taste that works in both sweet and savory applications. It is widely used as a marinade base for tandoori chicken, as a lighter substitute for sour cream in dips and dressings, and as the liquid component in whole-grain pancake and waffle batters where its lactic acid activates baking soda for lift.

Quick convert

  • US cup = 236.588 mL
  • 1 tbsp = 14.787 mL
  • 1 tsp = 4.929 mL

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Based on the measured density of Yogurt, Plain, Skim Milk (1.036 g/mL). Values rounded; real weight varies by brand, packing and temperature. Full sources in the tool on ChefSolver.

Reference table

Yogurt, Plain, Skim Milk — cups to grams
Cupsg
1/8 cup31
1/4 cup61
1/3 cup82
1/2 cup123
2/3 cup163
3/4 cup184
1 cup245
1 1/2 cups368
2 cups490

Yogurt varieties comparison (1 cup)

Typeg / cupNotes
Plain whole-milk yogurt244 gDensity 1.03 g/mL
Plain Greek yogurt (strained)241 gDensity 1.02 g/mL, strained
Low-fat plain yogurt245 gDensity 1.036 g/mL
Skim-milk plain yogurt245 gDensity 1.036 g/mL
Whole-milk plain yogurt (variant)245 gDensity 1.036 g/mL

FAQ

How does plain skim milk yogurt differ from Greek yogurt in density and weight?
Plain skim milk yogurt (1.036 g/ml, ~245 g/cup) is thinner and less dense than Greek yogurt (~1.06-1.08 g/ml, ~250-255 g/cup) because Greek yogurt is strained to remove whey. If substituting Greek yogurt for plain skim yogurt by volume, the recipe will receive about 5-10 g more mass per cup.
Why is plain skim yogurt preferred for tandoori marinades?
Plain skim yogurt's lactic acid (pH ~4.3) tenderizes proteins without adding fat, which would inhibit surface browning. At 1.036 g/ml, 100 g of yogurt provides consistent coating coverage. Its neutral, unflavored profile allows spices like turmeric, cumin, and chili to dominate the flavor.
Can I use plain skim yogurt to replace buttermilk in baking by weight?
Yes. Both have similar densities (yogurt 1.036 g/ml, buttermilk ~1.03 g/ml), so a gram-for-gram substitution works well. Plain skim yogurt is slightly thicker, so thin it with a splash of milk if the recipe needs a pourable consistency. The acidity is comparable, so leavening reactions with baking soda will be similar.

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