Hemisphere Calculator

Hemisphere Calculator

Calculate base circumference C, volume V, curved surface area A, base area B, and total surface area K for a hemisphere. Choose to give radius r, volume V, curved area A, total area K, or circumference C. The formulas used are:

  • Base circumference: C = 2πr
  • Volume: V = (2/3)πr3
  • Curved surface area: A = 2πr2
  • Base surface area: B = πr2
  • Total surface area: K = 3πr2

Variable Reference:
r Radius
C Base circumference
V Volume
A Curved surface area
B Base surface area
K Total surface area
Calculate C, V, A, B, K | Given r