A capsule (from Latin capsula, "small box or chest"), or stadium of revolution, is a basic three-dimensional geometric shape consisting of a cylinder with hemispherical ends. Another name for this shape is spherocylinder.
The volume of a capsule is calculated by adding the volume of the two hemispheres (a sphere of radius ) to the volume of the cylindrical part: , where is the cylindrical radius and is the cylindrical height.
This simplifies to the formula .
The surface area formula is .
- Weisstein, Eric W. "Capsule". MathWorld.
- Dzubiella, Joachim; Matthias Schmidt; Hartmut Löwen (2000). "Topological defects in nematic droplets of hard spherocylinders". Physical Review E. 62: 5081. arXiv: . Bibcode:2000PhRvE..62.5081D. doi:10.1103/PhysRevE.62.5081.
- "Capsule Calculator". Calculatorsoup.com. Retrieved 2013-02-18.
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