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Yogurt, Plain, Whole Milk

Plain whole milk yogurt is produced by culturing whole milk with live bacteria (Lactobacillus bulgaricus and Streptococcus thermophilus) until it thickens and acidifies. At 1.036 g/ml, it is slightly denser than the milk it was made from (1.031 g/ml) — fermentation slightly increases the density by consuming some lactose and producing lactic acid. A cup weighs approximately 245 g; a tablespoon weighs about 15.3 g. Unlike Greek yogurt (which is strained to remove whey and becomes denser — typically 1.05–1.10 g/ml), regular whole milk yogurt retains its liquid whey and pours almost like a thick liquid. Used in marinades, dressings, dips, baked goods, and as a base for tzatziki and raita.

What is Yogurt, Plain, Whole Milk?

Plain whole milk yogurt is produced by culturing whole milk with live bacteria (Lactobacillus bulgaricus and Streptococcus thermophilus) until it thickens and acidifies. At 1.036 g/ml, it is slightly denser than the milk it was made from (1.031 g/ml) — fermentation slightly increases the density by consuming some lactose and producing lactic acid. A cup weighs approximately 245 g; a tablespoon weighs about 15.3 g. Unlike Greek yogurt (which is strained to remove whey and becomes denser — typically 1.05–1.10 g/ml), regular whole milk yogurt retains its liquid whey and.

Volume measurements can drift because settling, packing, and texture change the amount of ingredient inside the same spoon or cup. When gram values look surprising, structure is usually the reason rather than an error. Use the same fill method each time and verify by weight.

Chef note:Chef-level consistency starts when one reference cup is matched to a gram baseline.

Quick convert

  • US cup = 236.588 mL
  • 1 tbsp = 14.787 mL
  • 1 tsp = 4.929 mL
Density source:USDA FoodData Central

Kitchen Conversion Chart

Cups, tbsp, tsp, mL and oz — all in one printable reference for oils, liquids, dairy and sauces.

Dairy specifics

Dairy products (milk, cream, yogurt, cheese) have different fat and water percentages. Volume hides these differences; weight keeps sauces, batters, and doughs consistent.

  • Fat content shifts density; pick the correct milk/cream/fat level if variants exist.
  • For cheese, shredded vs grated vs cubed changes volume—prefer grams.
Does fat percentage matter?Yes. A cup of heavy cream is heavier than milk; swapping without weight alters richness and texture.

FAQ

How is plain whole milk yogurt different from Greek yogurt in terms of density?
Regular whole milk yogurt (1.036 g/ml, ~245 g/cup) is less dense than Greek yogurt, which is strained to remove most of the liquid whey — resulting in a much thicker product at approximately 1.05–1.10 g/ml (roughly 250–260 g/cup). If your recipe specifies Greek yogurt, do not assume regular yogurt will yield the same weight per cup.
Can I substitute plain whole milk yogurt for buttermilk by weight in baking?
They have similar densities (yogurt 1.036 g/ml vs. buttermilk 1.036 g/ml) and both are acidic, so weight-for-weight they are structurally compatible in baking. Thin yogurt by adding 2–3 tablespoons of water per cup to match buttermilk's viscosity. The fermentation by-products are similar, so leavening reactions with baking soda work comparably.
Does the yogurt temperature affect its weight per cup?
Negligibly. Cold yogurt is slightly more viscous and may pack marginally more firmly into a measuring cup, but the density difference between refrigerator temperature (4°C) and room temperature (20°C) is less than 0.5% for yogurt — under 1 g per cup. For precision baking, use a scale regardless of temperature.

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