Volume of a Sphere Calculator
Radius
Diameter
Radius (r)
Try a worked example
Unit sphere (r = 1) → V = 4π/3 ≈ 4.19
→ V = 4.18879
Tennis ball (~2.1 in radius)
→ V = 38.7924
Basketball (~11 cm radius)
→ V = 5575.28
Earth (radius ≈ 6371 km)
→ V = 1083206916846
Sun (radius ≈ 696,000 km)
→ V = 1412265429105895680