Sphere Calculator
Calculate sphere properties: volume, surface area, diameter, and circumference. Enter radius or diameter to find all measurements instantly.
Input Value
010
Sphere Diagram
r
Radius: 0 cm
Diameter: 0 cm
Results
Volume
0
cm³
Surface Area
0
cm²
Diameter
0
cm
Circumference
0
cm
Sphere Formulas
V = 4/3 πr³
Volume
A = 4πr²
Surface Area
d = 2r
Diameter
C = 2πr
Circumference
About Sphere Calculations
A sphere is a perfectly round three-dimensional shape where every point on its surface is equidistant from its center. This calculator helps you find all properties of a sphere from just the radius or diameter.
Key Properties
- Radius (r): Distance from center to surface
- Diameter (d): Distance across through center
- Volume (V): Space enclosed by the sphere
- Surface Area (A): Total area of the outer surface
- Circumference (C): Distance around the great circle
Real-World Examples
- Planets and celestial bodies
- Sports balls (basketball, soccer, tennis)
- Bubbles and water droplets
- Marbles and ball bearings
- Globes and decorative spheres