How Much Is 0.5 Cups of Egg Whites in Grams?
0.5 cups of egg whites equals 121.50 g. Egg whites has a density of 243g per cup (243g per cup), which means it's relatively heavy compared to other common cooking ingredients. For comparison, 0.5 cups of all-purpose flour would be 62.58 g.
Formula and Step-by-Step
- Start with 0.5 cups of egg whites
- 1 cup of egg whites = 243g
- 0.5 × 243 = 121.5g
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Mental Math Shortcut
Half measures: take the weight of 1 cup (243g) and divide by 2.
Measuring Tip
One large egg white weighs approximately 30g and one large egg yolk weighs approximately 17g. Weighing separated eggs is more reliable than counting, since individual eggs vary in size.
Egg Whites at Different Amounts
How egg whites scales across common cups measurements. Your amount (0.5 cups) is highlighted.
For reference, 0.5 cups of egg whites (121.5g) is close in weight to a bar of soap (113g).
Other Amounts of Egg Whites
| Cups | US Grams | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 60.75 g | 64.19 g | 72.96 g |
| 0.33 cups | 80.19 g | 84.74 g | 96.30 g |
| 0.5 cups | 121.50 g | 128.39 g | 145.92 g |
| 0.75 cups | 182.25 g | 192.58 g | 218.87 g |
| 1 cup | 243.00 g | 256.78 g | 291.83 g |
| 1.5 cups | 364.50 g | 385.16 g | 437.75 g |
| 2 cups | 486.00 g | 513.55 g | 583.66 g |
| 3 cups | 729.00 g | 770.33 g | 875.49 g |
| 4 cups | 972.00 g | 1,027.10 g | 1,167.33 g |
| 5 cups | 1,215.00 g | 1,283.88 g | 1,459.16 g |
Understanding the Units
What is a Cup?
A cup is a US customary unit of volume equal to 236.588 milliliters or 8 fluid ounces. It is the most common volume measurement in American recipes. One cup can be divided into 16 tablespoons or 48 teaspoons.
What is a Gram?
Grams are the preferred unit in professional kitchens and bakeries because they allow exact recipe scaling. To double a recipe, simply double the gram values. No need to worry about how tightly an ingredient is packed into a cup.