Formula library

Sphere formulas

Select a formula

Move from a broad subject area to the specific formula you need.

Sphere focuses on the geometry and measurement of perfectly symmetrical three-dimensional bodies whose surface points are all equidistant from a center. This subcategory contains formulas and calculation tools related to sphere volume, surface area, radius, diameter, spherical segments, spherical caps, and other sphere-related geometric properties.


Users can calculate enclosed volume, external surface area, dimensional relationships, and geometric characteristics of spherical objects. These calculations are important when analyzing tanks, pressure vessels, particles, planets, droplets, storage systems, and other naturally occurring or engineered spherical forms.


Sphere calculations are widely used in engineering, physics, astronomy, geoscience, materials science, manufacturing, and education. Accurate evaluation of spherical dimensions helps support design calculations, volume estimation, material requirements, and scientific analysis.


The formulas and online calculators available in this section provide practical resources for performing direct calculations involving spheres and spherical geometry.

fCalc · Android

Take this formula to fCalc and evaluate it directly on your Android device.

Get it on Google Play

Content language

EnglishSpanish