What is the measurement of a ostrich egg?

An ostrich egg measures approximately 13 to 17 centimetres (5.1 to 6.7 inches) in height and 10 to 15 centimetres (3.9 to 5.9 inches) in width. The weight of an ostrich egg varies from 1.2 to 1.8 kilograms (2.6 to 4.0 pounds).