Sphere Calculator
Calculate sphere volume (V = 4/3πr³) and surface area (A = 4πr²) instantly.
r
3D Sphere
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Enter a radius and click "Calculate"
Sphere Calculator
Calculate the volume and surface area of a sphere using the radius or diameter. Our calculator uses the formulas V = 4/3πr³ for volume and A = 4πr² for surface area.
Perfect for geometry, physics, and engineering calculations involving spherical objects.