How big is the moon compared to the earth : Unravel the fascinating size difference between our celestial neighbor and our home planet. The Moon is significantly smaller than Earth. Its diameter is approximately 3,474 kilometers (2,159 miles), while Earth's diameter is about 12,742 kilometers (7,917 miles). This makes the Moon roughly one-fourth the size of Earth. Despite its smaller size, the Moon plays a crucial role in various natural processes, including tides and stabilizing Earth's rotation.
