Antarctic Circle vs Antartica’s Ice Perimeter

The circumference of the Antarctic Circle is 15909 km, while one measurement of the perimeter of Antarctica’s ice is 53610 km. The numbers are different because the Antarctic Circle is circular, while the perimeter of Antarctica’s ice has a complex shape.

The circumference of the Equator is 40075 km and the 53610 km figure exceeds it. Flat-Earthers use it as “evidence” of a flat Earth. In reality, the 53610 figure is a measurement of the irregularly shaped Antarctica’s ice perimeter, not the circular Antarctic Circle.

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