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Gravitational Pull on the Earth
The moon exerts the greatest gravitational pull on Earth, a force that produces the planet's tides. Therefore, the easiest way to compare the gravitational pull of the other planets is to compare their attraction to that of the moon. This is accomplished by dividing each planet's relative mass to the moon by the cube of its relative distance from the Earth.
Gravitational Pull at a Planet's Surface
The easiest way to compare the gravitational pull of the planets at their surface is to compare their pull to that which is experienced on Earth. This is accomplished by dividing the planet's relative mass to the Earth by the square of its relative radius.
Jupiter's Gravity
Of all the planets, Jupiter exerts the greatest gravitational pull on the Earth. However, this pull is only 0.0000068 times the gravitational pull of the moon. Jupiter's gravitational pull at its surface is 2.36 times that of Earth.
Venus' Gravity
Venus has the second-strongest gravitational pull on the Earth. The pull of Venus is 94.1 percent of the gravitational pull of Jupiter. Venus' gravitational pull at its surface is 0.9 times that of Earth.
Mars' Gravity
Mars has the third-strongest gravitational pull on the Earth. The pull of Mars is 41.2 percent of the gravitational pull of Jupiter. Mars' gravitational pull at its surface is 0.38 times that of Earth.
Mercury's Gravity
Mercury has the fourth-strongest gravitational pull on the Earth. The pull of Mercury is 7.4 percent of the gravitational pull of Jupiter. Mercury's gravitational pull at its surface is, like Mars, 0.38 times that of Earth.
Saturn's Gravity
Saturn has the fifth-strongest gravitational pull on the Earth. The pull of Saturn is 3.5 percent of the gravitational pull of Jupiter. Saturn's gravitational pull at its surface is 0.92 times that of Earth.
Uranus' Gravity
Uranus has the sixth-strongest gravitational pull on the Earth. The pull of Uranus is 0.05 percent of the gravitational pull of Jupiter. Uranus' gravitational pull at its surface is 0.89 times that of Earth.
Neptune's Gravity
Neptune has the seventh-strongest gravitational pull on the Earth. The pull of Neptune is 0.014 percent of the gravitational pull of Jupiter. Neptune's gravitational pull at its surface is 1.13 times that of Earth.
Pluto's Gravity
In 2006, Pluto, at about one-sixth the size of the moon, was demoted from planet status, now considered a dwarf planet. Pluto exerts almost no gravitational pull on the Earth because of its tiny mass and enormous distance from Earth. Pluto's gravitational pull at its surface is 0.07 times that of Earth. This means a 170-pound person would weigh 11.9 pounds on the surface of Pluto.