Sphere Volume Calculator
Volume and surface area of a sphere from its radius.
How to use
Enter the radius and click Calculate. Everything runs in your browser — nothing is uploaded or stored.
Frequently asked questions
What is the volume of a sphere with radius 3?
About 113.1 cubic units.
Can I enter the diameter instead?
Halve it first — radius is half the diameter.
☕
ToolZap is free forever
Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.
💛 Donate via PayPal