How to Substitute Egg Sizes in Recipes
You're ready to bake and the recipe calls for large eggs — but you only have medium. Or you bought jumbo eggs and now everything calls for large. Substituting egg sizes is straightforward once you know the weights, and for most recipes the difference is small enough that you can swap directly without any adjustment.
Egg Size Weight Chart
US egg sizes are defined by minimum weight per dozen, not per egg. Here's what each size actually weighs:
| Size | Weight per egg (with shell) | Weight per egg (without shell) | Approx. volume |
|---|---|---|---|
| Small | 42g | 35g | 2 tbsp + ½ tsp |
| Medium | 49g | 44g | 3 tbsp |
| Large | 57g | 50g | 3 tbsp + ½ tsp |
| Extra-Large | 64g | 56g | 4 tbsp |
| Jumbo | 71g | 63g | 4 tbsp + 1 tsp |
Most recipes in the US are written using large eggs (50g without shell) as the standard.
Medium Eggs to Large Eggs Conversion
This is the most common substitution. A medium egg (44g) is about 88% of a large egg (50g) by weight. For most recipes, you can substitute 1:1 without noticing a difference. For recipes using 3 or more eggs, add 1 extra medium egg for every 4 large eggs called for to compensate for the size difference.
| Recipe calls for (large) | Use instead (medium) |
|---|---|
| 1 large egg | 1 medium egg |
| 2 large eggs | 2 medium eggs |
| 3 large eggs | 3 medium eggs |
| 4 large eggs | 5 medium eggs |
| 5 large eggs | 6 medium eggs |
| 6 large eggs | 7 medium eggs |
Jumbo Eggs to Large Eggs Conversion
Jumbo eggs (63g without shell) are about 26% larger than large eggs. For most cooking, substitute 1:1 — the extra egg adds richness and moisture, which is usually a good thing. For delicate baking where structure matters (like angel food cake or chiffon cake), reduce by one egg when using 4 or more jumbo eggs.
| Recipe calls for (large) | Use instead (jumbo) |
|---|---|
| 1 large egg | 1 jumbo egg |
| 2 large eggs | 2 jumbo eggs |
| 3 large eggs | 2 jumbo eggs |
| 4 large eggs | 3 jumbo eggs |
| 6 large eggs | 5 jumbo eggs |
Extra-Large Eggs to Large Eggs
Extra-large eggs (56g without shell) are about 12% bigger than large eggs. Substitution is nearly always 1:1. For very large quantities (8+ eggs in a recipe), you might consider using one fewer extra-large egg, but this is rarely necessary in practice.
When Egg Size Actually Matters
For most everyday cooking — scrambled eggs, omelets, frittatas, egg washes, binding meatballs — egg size doesn't matter at all. Use whatever you have.
For baking, size matters more, but it's still rarely critical for: cookies, muffins, quick breads, pancakes, and most cakes. The recipes that are most sensitive to egg size are: angel food cake, chiffon cake, soufflés, custards, and meringues — anything where eggs provide most of the structure.
The Volume Method for Precision
For recipes where precision matters, bypass size entirely and measure by volume. Beat the egg(s) fully and measure the resulting liquid:
- 1 large egg ≈ 3½ tablespoons (about 50ml)
- 1 large yolk ≈ 1 tablespoon
- 1 large white ≈ 2 tablespoons
Calculate the total volume the recipe needs (number of eggs × 3.5 tbsp) and measure that amount regardless of egg size. This works for any size egg and gives you exact proportions every time.
Frequently Asked Questions
Can I use medium eggs instead of large eggs in baking?
Yes, for most recipes a 1:1 substitution works fine. Medium eggs are about 12% smaller than large eggs — a difference most recipes absorb without issue. The only time to adjust is when a recipe uses 4 or more eggs, where the cumulative difference becomes more significant. In that case, add one extra medium egg for every 4 large eggs called for.
What happens if I use large eggs instead of medium?
Using larger eggs adds more liquid and protein to the recipe. For most baked goods, this makes them slightly moister and richer. For delicate recipes that depend on exact egg ratios (like soufflés or chiffon cakes), using too many large eggs where medium are specified can make the result denser or cause it to collapse. In everyday cooking, the difference is usually undetectable.
How do I measure half an egg?
Beat the whole egg until fully combined, then measure out half by volume. A large egg is about 3½ tablespoons; half is about 1¾ tablespoons. For most recipes, you can also just use the yolk (about 1 tablespoon) or the white (about 2 tablespoons) depending on what the recipe needs more of.
Do organic or free-range eggs come in the same sizes?
Yes — size designations (small, medium, large, extra-large, jumbo) apply to all eggs regardless of farming method. The size is determined by the minimum weight per dozen, not by how the hens are raised. Organic and free-range eggs typically come in large or extra-large sizes most commonly.