Prism Cylinder Volume Calculator
Compute volumes for rectangular prisms and right circular cylinders from dimensions with unit labels.
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Volume of a rectangular prism or cylinder
Volume measures three-dimensional space. A rectangular prism uses V = length × width × height. A right circular cylinder uses V = πr²h. Enter positive dimensions in any consistent unit; the result is in cubic units of that measure (cm³, m³, in³, etc.).
How to use it
- Choose prism or cylinder.
- Enter the required measurements (all positive numbers).
- Read the volume and the substituted formula line.
Frequently Asked Questions
Which cylinder formula is used?
Right circular cylinder: π times radius squared times height, with JavaScript’s Math.PI.
Can I mix units?
You may, but the math assumes all inputs share one length unit; mixing cm and inches without converting will be wrong.
Is π exact?
π is a floating-point approximation suitable for homework and quick estimates, not metrology certification.
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