Chicken egg sizes

Chicken eggs are graded by size, for the purpose of sales. The United States Department of Agriculture sizing is based by weight per dozen. The most common US size of chicken egg is 'Large' and is the egg size commonly referred to for recipes. The following egg masses have been calculated on the basis of the USDA sizing:

Modern Sizes (USA)
Size Mass per egg Cooking Yield (Volume)[1]
Jumbo Greater than 2.5 oz. or 71 g
Very Large or Extra-Large (XL) Greater than 2.25 oz. or 64 g 56 mL (4 tbsp)
Large (L) Greater than 2 oz. or 57 g 46 mL (3.25 tbsp)
Medium (M) Greater than 1.75 oz. or 50 g 43 mL (3 tbsp)
Small (S) Greater than 1.5 oz. or 43 g
Peewee Greater than 1.25 oz. or 35 g

In Canada, modern egg sizes are defined as follows:

Modern Sizes (Canada)[2]
Size Mass per egg
Jumbo 70 g or more
Extra Large 63-69 g
Large 56-62 g
Medium 49-55 g
Small 42-48 g
Peewee Less than 41 g

In Europe, modern egg sizes are defined as follows:

Modern Sizes (Europe)
Size Mass per egg
Very Large 73 g and over
Large 63-73 g
Medium 53-63 g
Small 53 g and under

In Australia, the Australian Egg Corporation defines the following sizes in its labeling guide.[3]

Modern Sizes (Australia)
Size Mass per egg
Jumbo 68 g
Extra-Large 60 g
Large 52 g

In Western Australia, two additional sizes are also standardized by the Golden Eggs Corporation[4]

Additional Sizes (Western Australia)
Mega or XXXL 72 g
Medium 43 g

In New Zealand sizes are based on the minimum mass per egg:[5]

Modern Sizes (New Zealand)
Size Minimum mass per egg
8 (Jumbo) 68 g
7 (Large) 62 g
6 (Standard) 53 g
5 (Medium) 44 g
4 (Pullet) 35 g
Traditional Sizes
Size Mass
Size 0 Greater than 75g
Size 1 70 g - 75 g
Size 2 65 g - 70 g
Size 3 60 g - 65 g
Size 4 55 g - 60 g
Size 5 50 g - 55 g
Size 6 45 g - 50 g
Size 7 less than 45 g

References