How large is the world in centimeters? Answer: The Earth's diameter is 12,756 kilometers -- that's the thickness or width of the planet. The circumference of the Earth is about 40,075 kilometers at the equator. In the Metric System, one kilometer equals 1000 meters and one meter equals 100 centimeters. So the Earth's diameter is 12,756,000 meters or 1,275,600,000 centimeters, and the Earth's circumference is 40,075,000 meters or 4,007,500,000 centimeters! Pretty huge, huh? Email Question    Print Question

How many people are there in the world?  There are currently over six billion people on the planet--we passed the six billion mark on October 12th,... How many oceans are there in the world? There is really only one big ocean. One can sail in a boat in every known "ocean" and "sea", which means they are all... What are the 7 wonders of the world? The Seven Wonders of the Ancient World are the Pyramids of Egypt at Giza, the statue of Zeus at Olympia, the Temple... How many countries are there in the world? According to the InfoPlease Kids' Almanac in Yahooligans!, there are currently 190 independent countries worldwide.... What's the fastest bird in the world? The fastest FLYING bird is the Spine-tailed Swift, an Asian bird that has been recorded as being able to fly at 106... What is the smallest bird in the world? The smallest bird in the world is the Hummingbird. It weighs only 1oz.