There are approximately 7.5 x 1018 grains of sand on Earth.

Last updated: 7/20/2022

There are approximately 7.5 x 1018 grains of sand on Earth. There are approximately 7* 1027 atoms in an average human body. Are there more grains of sand on Earth or atoms in an average human body? Atoms in the human body Grains of sand on Earth