Egg Whites in Grams: How Many Grams in a Cup?
Convert egg whites from cups to grams and ounces with precision for any recipe.
1 cup of egg whites weighs 243 grams.
≈ 8.57 oz (weight)
Interactive Converter
1 cup of Egg whites weighs 243 grams.
243g (8.57 oz)
Level, unpacked US cupEgg whites
US & UK alternative namesSpoon into cup & level off with a knife.
Prevent packing errorsEgg whites cups to grams
Complete conversion reference chart for standard US cup measurements to grams and ounces.
| Cups (US) | Grams (g) | Ounces (oz) |
|---|---|---|
| 1/8 cup | 30g | 1.06 oz |
| 1/4 cup | 60.75g | 2.14 oz |
| 1/3 cup | 80.19g | 2.83 oz |
| 1/2 cup | 121.5g | 4.29 oz |
| 2/3 cup | 162g | 5.71 oz |
| 3/4 cup | 182g | 6.42 oz |
| 1 cup | 243g | 8.57 oz |
| 1 1/2 cups | 365g | 12.88 oz |
| 2 cups | 486g | 17.14 oz |
| 3 cups | 729g | 25.71 oz |
| 4 cups | 972g | 34.29 oz |
| 5 cups | 1215g | 42.86 oz |
| Weight (Grams) | Cups (US) | Ounces (oz) | Tablespoons (tbsp) |
|---|---|---|---|
| 25g | < 1/8 cup (0.10) | 0.88 oz | 1.65 tbsp |
| 50g | ≈ 1/4 cup (0.21) | 1.76 oz | 3.29 tbsp |
| 75g | ≈ 1/4 cup (0.31) | 2.65 oz | 4.94 tbsp |
| 100g | ≈ 1/2 cup (0.41) | 3.53 oz | 6.58 tbsp |
| 125g | ≈ 1/2 cup (0.51) | 4.41 oz | 8.23 tbsp |
| 150g | ≈ 1/2 cup (0.62) | 5.29 oz | 9.88 tbsp |
| 200g | ≈ 3/4 cup (0.82) | 7.05 oz | 13.17 tbsp |
| 250g | ≈ 1 cup (1.03) | 8.82 oz | 16.46 tbsp |
| 300g | ≈ 1 1/4 cups (1.23) | 10.58 oz | 19.75 tbsp |
| 350g | ≈ 1 1/2 cups (1.44) | 12.35 oz | 23.05 tbsp |
| 400g | ≈ 1 3/4 cups (1.65) | 14.11 oz | 26.34 tbsp |
| 500g | ≈ 2 cups (2.06) | 17.64 oz | 32.92 tbsp |
1 cup of egg whites weighs 243 grams. Egg whites are almost entirely water and protein, so they weigh close to 240ml of water. For recipes that call for egg whites by cup, weighing is more repeatable than counting eggs.
For the most accurate results, weigh your egg whites with a digital kitchen scale — the values below assume a level, unpacked cup.
Frequently asked questions
How many grams is 1 cup of egg whites?
1 cup of egg whites weighs 243g.
How many grams is 1/2 cup of egg whites?
1/2 cup of egg whites weighs 121.5g.
How many grams is 1/4 cup of egg whites?
1/4 cup of egg whites weighs 60.75g.
How many cups is 100g of egg whites?
100g of egg whites is approximately 0.41 cups.
How many grams is 2 cups of egg whites?
2 cups of egg whites weighs 486g.
How many grams is 1/3 cup of egg whites?
1/3 cup of egg whites weighs 80.19g.
How many ounces is 1 cup of egg whites?
1 cup of egg whites weighs approximately 8.6 ounces (243g).
How many grams is 3 cups of egg whites?
3 cups of egg whites weighs 729g.
Common mistakes to avoid with egg whites
- Using even a small amount of yolk, which prevents egg whites from whipping properly.
- Beating egg whites in a greasy or wet bowl, leading to poor peaks.
- Overbeating egg whites until they become dry and grainy.
Egg whites in other kitchen units
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