The formula for circumference is based on the constant π (pi), which is an irrational number approximately equal to 3. 14159. Circumference of a circle … The circumference of the earth at the equator is 24,901. 55 miles (40,066. 59 kilometers) , which is about 41 miles (66 kilometers) greater than the circumference through the poles (24,859. 82 miles [40,000 kilometers). · the circumference of a circle is equal to the length of its boundary, but the circle is a curved shape, its circumference cant be measured with a ruler. It is the same as calculating the perimeter of any polygon such as triangle, square, and rectangle. Online circumference of a circle calculator - given a radius in mm, cm, meters, km, inches, feet, yards, miles, and others, calculate the circumference of any circle. The nautical mile in the seventeenth century and the metre in the eighteenth. If you unroll the outer edge of a circle, it will form a straight segment whose length is three diameters plus a little bit more. Measurement of earth s circumference has been important to navigation since ancient times. · the earth’s circumference, measured around the equator, is approximately 40,075 kilometers (24,901 miles). The circumference of a circle is the distance around it, but if, as in many elementary treatments, distance is defined in terms of straight lines, this cannot be used as a definition. · earth’s circumference affects navigation, satellite orbits, and our understanding of the planet’s size and shape. Measured around the equator, it is 40,075. 017 km (24,901. 461 mi). Understanding this measurement is crucial for navigation, mapping, and a broader comprehension of our planet’s dimensions. Find out the values of the circumference in different units and compare them with other planets. Earth’s circumference measures 40,075 kilometers (24,901 miles) at the equator. The correct way to find the … Measured passing through the poles, the circumference is 40,007. 863 km (24,859. 734 mi). · the circumference of a circle is the distance around the boundary of the circle. The real circumference of the earth varies slightly due to its oblate spheroid shape, but the mean circumference is about 40,075 kilometers (24,901 miles) around the equator. Circumference is from latin meaning carrying around. In modern times, earth s circumference has been used to define fundamental units of measurement of length: Earths circumference is the distance around earth. Π is the ratio of the circumference to the diameter of any circle. The circumference of the earth is the length or distance measured around it. For example, if you stand at a point on the earth and move around the earth in a straight path, and reach the same point again, then the distance covered by you is the circumference of the earth. Use this free circumference calculator to find the area, circumference and diameter of a circle. Learn how to calculate the circumference of the earth using a mathematical formula and a geometric method.