How big is the moon? The size and weight compared to Earth

Earth’s moon is the brightest object in our night sky. But how big is the moon? The moon’s mean radius is 1,079.6 miles (1,737.5 kilometers) and the mean diameter is 2,159.2 miles (3,475 km). Compared to Earth, the moon is less than a third the width of our home planet, according to NASA. The moon’s equatorial circumference is 6,783.5 miles (10,917 km).

At first, the moon may appear quite large, but that is only because it is our closest celestial body — approximately 238,855 miles (384,400 km) away on average. 

moon stats

– Radius: 1,079.6 miles (1,737.5 km)

– Diameter: 2,159.2 miles (3,475 km). 

– Surface area: 14.6 million square miles (38 million square km)

– Mass: 7.35 x 1022 kg

– Density: 3.34 grams per cubic centimeter (3.34 g/cm3)