How it works
Box: lwh. Cylinder: πr²h. Cone: πr²h/3. Sphere: 4πr³/3.
The results update in your browser as you change the inputs. You can test alternatives without creating an account.
FREE INTERACTIVE CALCULATOR
Volume Calculator
Calculate the volume of boxes, cylinders, cones and spheres with transparent formulas.
YOUR INPUTSLIVE RESULTS
CALCULATED RESULT6.2832 cubic units
Shape: cylinder · Results use the same measurement unit as your inputs, cubed.
Worked example
A cylinder with radius 3 and height 5 has a volume of about 141.37 cubic units.
The default values in the tool are illustrative. Change them to match your situation.
Assumptions and limitations
All inputs must use the same linear unit. Results are cubic units; rounding only affects display.
Results are educational estimates, not professional financial advice or a lender quote.
Frequently asked questions
How does this volume calculator work?
Box: lwh. Cylinder: πr²h. Cone: πr²h/3. Sphere: 4πr³/3.
What is an example?
A cylinder with radius 3 and height 5 has a volume of about 141.37 cubic units.
What assumptions or limitations apply?
All inputs must use the same linear unit. Results are cubic units; rounding only affects display.
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Content created October 23, 2026. Methods and editorial standards.