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Grams to cups of egg whites

100 g of egg whites = 0.41 cups

Measure: about ⅓ cup + 1 tbsp. Based on 243 g per US cup of egg whites (USDA).

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Ingredient: egg whites, 243 g per US cup

0.41 cups

Measure: about ⅓ cup + 1 tbsp

Type a number — fractions like 3/4 or 1 1/2 work too.

Grams of egg whites in cups

US cups, level. The measure is the nearest you can make with a standard set of cups and spoons.

Grams of egg whites in US cups
GramsCupsMeasure
25 g0.1≈ 2 tbsp
50 g0.21≈ 3 tbsp
75 g0.31≈ ⅓ cup
100 g0.41≈ ⅓ cup + 1 tbsp
125 g0.51≈ ½ cup
150 g0.62≈ ½ cup + 2 tbsp
200 g0.82≈ ¾ cup + 1 tbsp
250 g1.03≈ 1 cup
300 g1.23≈ 1¼ cups
400 g1.65≈ 1⅔ cups
500 g2.06≈ 2 cups + 1 tbsp

Cups of egg whites in grams

US cups of egg whites in grams and ounces
AmountGramsOunces
1 tsp5.1 g0.18 oz
1 tbsp15.2 g0.54 oz
⅛ cup30.4 g1.07 oz
¼ cup60.8 g2.14 oz
⅓ cup81 g2.86 oz
½ cup121.5 g4.29 oz
⅔ cup162 g5.71 oz
¾ cup182.3 g6.43 oz
1 cup243 g8.57 oz
1½ cups364.5 g12.9 oz
2 cups486 g17.1 oz
3 cups729 g25.7 oz
4 cups972 g34.3 oz

These figures are for raw liquid egg whites: 243 g a cup. One large egg white weighs 33 g, so a cup takes the whites of about 7 large eggs. Dried egg white powder is far lighter, 107 g a sifted cup.

Where this number comes from

USDA FoodData Central lists 1 cup of “Egg, white, raw, fresh” at 243 g (FDC ID 172183, SR Legacy).

Everything else is worked out from that figure: spoons from 1 cup = 16 tablespoons = 48 teaspoons, and ounces and pounds from their exact definitions (1 oz = 28.349523125 g, 1 lb = 453.59237 g, NIST).

Source: FoodData Central, USDA Agricultural Research Service.

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