How big is planet earth?

Because the planet rotates on its axis (every 24.6 hours), it bulges at the equator (as do Earth and other planets). At its equator, Mars has a diameter of 4,222 miles (6,794 km), but from pole to pole, the diameter is 4,196 miles (6,752 km). read more

Earth, the third planet from the sun, is the fifth largest planet in the solar system; only the gas giants Jupiter, Saturn, Uranus and Neptune are bigger. Earth is the largest of the terrestrial planets of the inner solar system, bigger than Mercury, Venus and Mars. read more

This is a really good Question : How big is the planet Earth As you’ll know already Earth is the third planet form the Sun (Mercury, Venus, Earth) in our solar system. It’s what we call a terrestrial planet and is in the inner solar system. read more