Quick answer
A cylinder with radius 5 and height 3 has volume π × 25 × 3 ≈ 235.6 cubic units.
How it works
Pick a shape and enter its dimensions. For cylinders and cones, the first field is the radius of the base; for a sphere it's the radius. Width is only used for boxes.
Formula
Box: LWH · Cylinder: πr²h · Sphere: 4/3 πr³ · Cone: 1/3 πr²h
Assumptions & limitations
- Results are rounded for display.
Frequently asked questions
How do I get liters or gallons?
Calculate in centimeters, then divide cubic cm by 1,000 for liters — or use our volume converter.