Ellipsoid Surface Area Formula

Equation for calculate ellipsoid surface area is,

SA = 4Π[((ab)^1.6+(ac)^1.6+(bc)^1.6)/3]^(1/1.6)

Where,
SA = Surface Area
a = Axis 1
b = Axis 2
c = Axis 3
a, b and c defines the vertical distances from the origin of the ellipsoid to its surface.