Volume of a Hemisphere Calculator

Your details

Choose which measurement you already know.
The distance from the centre of the flat base to any point on the curved surface.
cm
Volume
261.7994cm³

V = (2/3)πr³

Radius5cm
Diameter10cm
Curved surface area157.0796cm²
Base area78.5398cm²
Total surface area235.6194cm²

Radius 5.0000: volume 261.7994, total surface 235.6194.

  • The curved dome accounts for 66.7% of the total surface area; the flat base makes up the remaining 33.3%.
  • This hemisphere has exactly half the volume of a sphere with the same radius (523.5988 cubic units for the full sphere).
  • The ratio of volume to total surface area is 1.1111, which equals r/3 for any hemisphere.

Next stepTo find the volume of the full sphere, multiply this hemisphere volume by 2. To find the capacity of a bowl shape, subtract any wall thickness before calculating.

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