What Is the Circumference of the Earth?


Quick Answer

The circumference of Earth is 24,901.55 miles at the equator, located at zero degrees latitude and the point at which the planet is the widest. The circumference measures the distance around Earth. Measured around the poles, the circumference is slightly smaller at 24,859.82 miles.

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Full Answer

Due to the rotation of Earth, a slight bulge is present at the equator, known as the equatorial bulge. Earth is not, therefore, completely spherical but rather ellipsoid or geoid, meaning Earth-like, in shape. The diameter of the Earth varies as well. Measured at the equator, the diameter is about 7,926 miles. At the poles, the diameter is about 7,900 miles.

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