Asia's Size: 17.2 Million Square Miles

Asia is Earth's largest continent, covering approximately 17.2 million square miles (44.5 million square kilometers)—about 30% of the planet's land area and 8.7% of its total surface.

Scale Context

This vast expanse stretches from the Mediterranean to the Pacific, Arctic to equator, encompassing 48 UN member states, the world's highest mountains (Himalayas), deepest lake (Baikal), and most populous countries (China, India).

Rounded Figure

To the nearest million square miles: 17 million. The precise figure varies slightly by source due to coastal definition and boundary disputes.