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Earth Measurement
Reference calculators for the size, shape and measurements of the Earth itself.
Tools (6)
Great Circle Distance Calculator
Calculate the shortest distance between two points on Earth using the great-circle formula. See km, miles and nautical miles. Free tool. No sign-up needed.
Bearing Calculator
Calculate the initial and final bearing between two points on Earth in degrees. Plan headings for navigation and aviation. Free bearing tool. No sign-up needed.
Destination Point Calculator
Calculate the destination point from a start location, bearing and distance. Solve the direct geodesic problem instantly. Free calculator. No sign-up needed.
Earth Circumference Calculator
Calculate Earth's circumference with C = 2πr. Pick the mean, equatorial or polar radius — or a custom value — and get instant results in kilometres and miles.
Earth Surface Area Calculator
Find Earth's surface area with A = 4πr². Use the mean, equatorial or polar radius — or your own value — and see the result in km² and square miles instantly.
Earth Volume Calculator
Compute Earth's volume with V = 4/3πr³. Select the mean, equatorial or polar radius, or a custom value, and get the result in trillions of cubic kilometres.
Related articles (1)
About Earth Measurement
Reference calculators for the size, shape and measurements of the Earth itself. These tools cover the most common use cases, from quick lookups to detailed planning.