Ingredient Weight Converter

Ingredient Weight Converter · dairy

Milk: cups to grams

1 cup of milk weighs 244 grams. Use the converter below for any other amount, or check the quick-reference table.

By Andrew Flores, Editor and publisher, Nathan Management. Last reviewed .

Density source: USDA FoodData Central, cross-checked against the King Arthur Baking weight chart. How these figures are derived and corrected is documented in our editorial standards.

Milk baseline: 1 cup = 244 g.

Common amounts

CupsTablespoonsGramsOunces (weight)Milliliters
1/4 cup4.061 g2.15 oz59 mL
1/3 cup5.381 g2.87 oz79 mL
1/2 cup8.0122 g4.30 oz118 mL
2/3 cup10.7163 g5.74 oz158 mL
3/4 cup12.0183 g6.46 oz177 mL
1 cup16.0244 g8.61 oz237 mL
1.5 cups24.0366 g12.91 oz355 mL
2 cups32.0488 g17.21 oz473 mL
3 cups48.0732 g25.82 oz710 mL
4 cups64.0976 g34.43 oz946 mL

Spoon weights

Derived from the same 244 g per cup — a US tablespoon is 1/16 of a cup and a teaspoon is 1/48.

AmountGrams
1 tablespoon15 g
1 teaspoon5.1 g
1/2 teaspoon2.5 g
1/4 teaspoon1.3 g

Milk at a glance

Fat
whole 3.25%, 2% reduced-fat, 1% low-fat, skim under 0.5%
Scalding
180 °F, just below a simmer — do this for yeast doughs made with fresh milk to deactivate enzymes that weaken gluten
It browns
Milk sugars and proteins drive Maillard browning; a milk-washed crust colors far faster than an egg-free one

What a cup of milk actually weighs

The published 244 g assumes one specific way of filling the cup. Here is what the same cup weighs under the other common handling methods and product forms, and how far off the recipe you end up.

How it was measuredGrams per cupvs. publishedWhy
Whole milk, measured in a liquid cup at eye level244 gpublished figureThe published figure. Read a liquid measure on a flat surface at eye level — reading it from above routinely overshoots by a tablespoon.
Skim milk245 gunder 1% heavierMilk fat is less dense than water, so removing the fat makes the milk very slightly heavier per cup.

Why measuring milk by cup goes wrong

Whole milk weighs 244 g per cup. The fat content (3.25 percent for whole) accounts for the small density difference between whole and skim: skim weighs about 245 g per cup because milk fat is less dense than water, so removing it makes the milk marginally heavier. In practice the difference is invisible on a home scale — what changes is the mouthfeel and the browning.

Practical tips for working with milk

For custards, ice cream bases, and béchamel, whole milk is the standard and the substitution to skim shows up immediately in mouthfeel. For pancakes, quick breads, and pizza dough, any milk works. Plant milks (oat, almond, soy) substitute 1:1 by volume but each brings its own flavor — oat milk is the most neutral and the closest stand-in for dairy milk in baking.

Note from this ingredient's record: Whole milk. Skim milk is ~245 g/cup; the four extra grams of fat in whole vs. skim are nutritionally tiny but make a real difference in custard texture.

Substitutions that work — and what they cost you

  • Buttermilk for milk

    Ratio: 1:1, and swap 1 teaspoon of the baking powder for 1/2 teaspoon baking soda per cup

    Trade-off: Buttermilk's acid needs soda to react. Straight substitution without the leavener change gives a flat, sour result.

  • Evaporated milk

    Ratio: 1/2 cup evaporated milk plus 1/2 cup water = 1 cup milk

    Trade-off: Slightly cooked flavor and a little more browning, otherwise a clean pantry substitute.

  • Oat milk

    Ratio: 1:1

    Trade-off: The closest plant milk to dairy in baking — it has enough starch and body to carry a crumb. Almond milk is thinner; soy has the most protein and browns closest to dairy.

When milk ruins the recipe

What you seeWhat went wrongWhat to do
Milk curdled when added to a hot or acidic mixtureCasein proteins coagulate under heat and acid, especially in low-fat milk with less fat to buffer them.Temper: whisk a ladle of the hot liquid into the cold milk first, then return it. Use whole milk for anything acidic.

Storing milk

Refrigerate at 40 °F or below; the door is the warmest shelf, so keep milk on an interior shelf. It freezes, but the fat separates and the texture goes grainy — fine for baking afterwards, unpleasant to drink.

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