1 Cup Powdered Milk in Grams

1 cup of powdered milk weighs 120 g (spooned and levelled, USDA). Nonfat dry milk powder; reconstitutes with water. All the figures on this page are approximate conversions based on the USDA value, so when a recipe really matters, verify with a kitchen scale.

Why weighing powdered milk beats measuring it in cups

Powdered milk weighs 120 g per cup, the same as a cup of all-purpose flour, because it is a fine, dry powder that packs in a similar way. That coincidence is useful: a baker who knows the flour conversion already knows the powdered milk conversion, and the two can be measured with the same technique. The powder is fine and light, so it must be spooned and levelled, never scooped, because scooping compresses the powder and a scooped cup can weigh 20 g more than a spooned one.

Reconstituting is where the weight matters most. Powdered milk is mixed with water to make liquid milk, and the ratio is about one part powder to four parts water by weight: 120 g of powder plus 480 ml of water makes about 600 ml of milk. That ratio only works when the powder is weighed, because a cup measured loosely can be 15 g light or heavy, and the reconstituted milk will be thin or thick accordingly. In baking, powdered milk is often added dry to the flour, where it improves browning and tenderness, and the amount needs to be right: too much and the bake tastes milky and browns too fast, too little and it makes no difference at all.

Powdered Milk cups to grams conversion table

Cups Grams Tablespoons
1/4 cup 30 g 4
1/3 cup 40 g 5.3
1/2 cup 60 g 8
2/3 cup 80 g 10.7
3/4 cup 90 g 12
1 cup 120 g 16
1 1/2 cups 180 g 24
2 cups 240 g 32
3 cups 360 g 48
4 cups 480 g 64

One tablespoon of powdered milk weighs about 7.5 g, since a cup is 16 tablespoons. That is useful when a recipe calls for a spoonful or two rather than a whole cup, though for small amounts a scale that reads to the gram is far more reliable than a spoon, because a heaped tablespoon can weigh half as much again as a level one.

Worked examples

Reconstituted milk for a recipe

A recipe needing 600 ml of milk can use about 1 cup of powdered milk, which is 120 g, whisked into 480 ml of warm water. Weigh 120 g rather than measuring by cups, because the fine powder compresses easily and a scooped cup can be 20 g heavy. Whisk the powder into the water gradually so it dissolves without lumps, and use the milk straight away.

Bread machine loaf, one large loaf

A bread machine loaf uses about 1/4 cup of powdered milk, which is 30 g, added dry to the flour. Weigh 30 g on a scale that reads to the gram, because a small error in a small amount is a large relative error. The powdered milk improves browning and gives the crumb a softer texture, and it is added dry because the bread machine adds the water itself.

Hot chocolate for four

Hot chocolate for four people uses about 1/2 cup of powdered milk, which is 60 g, whisked into hot water with cocoa powder and sugar. Weigh 60 g so the drink is creamy rather than thin, and whisk well so the powder dissolves fully. Powdered milk is the practical choice for camping and for kitchens where fresh milk runs out, because it keeps for a year in the cupboard.

How the weight was measured

How you fill the cup decides what the cup weighs. The method used here is spooned and levelled: the ingredient is spooned into the cup and levelled with a straight edge, never scooped and never tapped down. If you scoop, you compress the ingredient and the same cup can weigh noticeably more, which is the single most common reason a recipe that worked for its author fails in another kitchen.

The value is taken from USDA with medium confidence. USDA is the reference used across this site because its chart is consistent and widely used by recipe developers. No other source was mixed in, and nothing on this page was estimated from a different ingredient. Remember that every conversion on this page is approximate: check the weight on a kitchen scale whenever accuracy matters, and use the table as a guide rather than a guarantee.

Practical guidance

Store powdered milk in an airtight container in a cool, dry place for up to 1 year, because it absorbs moisture from the air and clumps. Use a dry spoon every time, and do not leave the container open in a steamy kitchen. When a recipe calls for powdered milk, spoon it into the cup and level it, never scoop, because the fine powder compresses easily. If you do not have a scale, remember the 120 g figure is approximate and medium confidence, and check the reconstituted milk or the bake rather than trusting the cup alone. For the most reliable result, weigh the powder: it is a fine powder where a cup measure is at its least accurate.

Common mistakes with condiments and sauces

The most common mistake is measuring thick sauces by the cup as if they poured like water. Tomato paste, mayonnaise and jam cling to the cup, trap air, and leave a film behind, so the amount that reaches the pan is less than the amount measured. A scale removes the problem entirely: weigh the jar before and after, or spoon the sauce onto the scale. The second mistake is eyeballing a tablespoon of paste or jam from the jar and calling it a cup's worth of accuracy; small errors in concentrated ingredients are large errors in flavour. The third is storing opened sauces at room temperature for weeks: most need the fridge once opened, and a sauce that has turned will spoil a whole dish. Finally, do not swap one sauce for another by volume alone: a cup of tomato paste and a cup of tomato sauce differ in concentration, salt and water, so the swap changes the recipe, not just the weight.

Frequently asked questions

How many grams is 1 cup of powdered milk?

1 cup of powdered milk weighs 120 g when spooned and levelled, according to the USDA. The figure is medium confidence and approximate, because the fine powder compresses easily, so verify with a kitchen scale when it matters.

How much water do I add to 1 cup of powdered milk?

About 480 ml of water, or a ratio of one part powder to four parts water by weight. Whisk 120 g of powder into 480 ml of warm water gradually so it dissolves without lumps, and use the milk straight away.

Can I add powdered milk dry to a recipe?

Yes, in baking. Add it dry to the flour, as in a bread machine loaf, where it improves browning and tenderness. Weigh the powder rather than measuring by volume, because a small error in a small amount is a large relative error.

How many cups is 100 g of powdered milk?

100 g of powdered milk is about 0.83 cups, or roughly 3/4 cup plus a tablespoon. At 120 g per cup, divide 100 by 120 to get the answer, and use a scale for the most accurate result.

Does powdered milk taste the same as fresh milk?

Close, but not identical. Reconstituted powdered milk tastes slightly cooked and less fresh than fresh milk, because it has been heated twice. It works well in baking, hot chocolate and cooking, where the difference is hard to notice.

Related conversions

If you need a different amount, the table above scales in both directions, and the converter tool will do the maths for any quantity. When a recipe really matters, weigh the ingredient on a kitchen scale rather than trusting the cup alone, because the figures on this page are approximate and natural ingredients vary by brand, variety and moisture.