Circumference

Earth has an equatorial circumference of **40,030** kilometers. In a fast car, it would take you about two weeks to drive around it.

**Volume**

Earth has a volume of **1,083,206,916,846** cubic kilometers. That makes it the largest terrestrial planet.

Mass

If we put Earth on a balance, it would have a mass of **5,972,190,000,000,000,000,000,000** kilograms.

Density

Earth has a density of **5.5** grams / cubic centimeter. That means it's more dense than any of the other planets.

Gravity

Earth has a gravitational pull of **9.8** meters / seconds squared. This is the most gravity of any terrestrial planets.

Rotation Period

It takes Earth **23.9** hours to complete a rotation, though we measure days as exactly 24 hours.

Revolution Period

It takes Earth **1** year to revolve around the Sun.

Tilt

Earth has a tilt of **23.5** degrees. This tilt is what gives us our seasons.

Temperature

Earth has an average surface temperature of **15** degrees Celsius. That makes it perfect for life.