Calculate the volume and surface area of a hemisphere (half a sphere).
Dimensions
Hemisphere Properties
2094.40
Volume (V)
Calculations for exactly half of a perfectly round sphere.
Total Surface Area942.48
Curved Surface Area628.32
About this calculator
What is a Hemisphere?
A hemisphere is exactly half of a sphere. In geometry, it consists of a curved surface and often a flat circular base. The volume is half that of a full sphere, and the surface area includes both the bowl-shaped curve and the flat base.
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Pro Tips
The curved surface area is exactly 2ĻrĀ².
The base area is ĻrĀ².
Hemispheres are common in architecture (domes) and kitchenware (bowls).
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Fun Facts
"The Earth is divided into Northern and Southern hemispheres by the Equator."
"The word 'hemisphere' comes from the Greek 'hemi' (half) and 'sphaira' (sphere)."
"Magdeburg hemispheres were a famous 17th-century experiment used to demonstrate atmospheric pressureāhorses couldn't pull them apart when evacuated."
Formula: Volume = (2/3)ĻrĀ³, Total Surface = 3ĻrĀ²
