What is the moon size in relation to earth?

The Moon has a diameter of about 3,474 kilometers (2,159 miles), which is roughly 27% that of Earth's diameter, making it about one-quarter the size of Earth. In terms of volume, the Moon is about 1/50th that of Earth, and its mass is approximately 1/81st of Earth's mass. Despite its smaller size, the Moon significantly influences Earth's tides and has a profound impact on various natural phenomena.