How Much Is 121.5 Grams of Egg Whites in Cups?
Converting 121.5 grams of egg whites to cups gives 0.50 cups. Divide by the density of egg whites (243g per cup). Each ingredient fills a different volume at the same weight.
Formula and Step-by-Step
- Start with 121.5 grams of egg whites
- 1 cup of egg whites = 243g
- 121.5g ÷ 243g/cup = 0.5 cups
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
A whole large egg without shell weighs about 50g. When separating eggs for a recipe, weigh the whites and yolks individually for the most accurate results.
Egg Whites at Different Amounts
How egg whites scales across common grams measurements. Your amount (121.5 grams) is highlighted.
Other Amounts of Egg Whites
| Grams | US Cups | Metric Cup | Imperial Cup |
|---|---|---|---|
| 5 grams | 0.02 cups | 0.02 cups | 0.02 cups |
| 10 grams | 0.04 cups | 0.04 cups | 0.03 cups |
| 25 grams | 0.10 cups | 0.10 cups | 0.09 cups |
| 50 grams | 0.21 cups | 0.19 cups | 0.17 cups |
| 75 grams | 0.31 cups | 0.29 cups | 0.26 cups |
| 100 grams | 0.41 cups | 0.39 cups | 0.34 cups |
| 121.5 grams | 0.50 cups | 0.47 cups | 0.42 cups |
| 150 grams | 0.62 cups | 0.58 cups | 0.51 cups |
| 200 grams | 0.82 cups | 0.78 cups | 0.69 cups |
| 250 grams | 1.03 cups | 0.97 cups | 0.86 cups |
| 500 grams | 2.06 cups | 1.95 cups | 1.71 cups |
Understanding the Units
What is a Gram?
A gram (g) is a metric unit of mass equal to 1/1000 of a kilogram. It is the standard weight measurement for precise baking worldwide. Professional bakers prefer grams because they are more accurate than volume measurements.
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.