Enter values and select Calculate.
Calculated result
Formula and worked example
The selected solid determines the formula: lwh for a rectangular prism, s³ for a cube, πr²h for a cylinder, 4⁄3πr³ for a sphere, or ⅓πr²h for a cone.
A 2 by 3 by 4 rectangular prism has volume 24 cubic units. A cylinder with radius 2 and height 5 has volume 20π, approximately 62.8319 cubic units.
Calculations retain floating-point precision and use controlled display formatting. Decimal results involving π are approximations.
Choose the solid
Rectangular prism uses length, width, and perpendicular height.
Cube uses one equal side length.
Cylinder and cone use radius plus perpendicular height.
Sphere uses radius only.
Generic volume versus focused tools
Cylinder is available as a concise mode because generic-volume users expect common shapes.
Use Cylinder Volume Calculator for its dedicated radius-or-diameter workflow and capacity guidance.
Pool Volume remains pool-specific; Cubic Feet and Cubic Yard remain unit- and project-focused calculators.
Cubic conversion policy
Every entered dimension is converted linearly before multiplication.
The resulting conversion factor is cubed: one cubic foot equals 1,728 cubic inches.
Rounded decimal displays are approximations when π is involved.
Methodology and limits
Formulas are standard Euclidean geometry. Length conversions follow exact defined factors, including 1 inch = 0.0254 meter; area factors are squared and volume factors are cubed. This browser-local tool does not evaluate expressions or infer real-world material needs.