How is sphere volume calculated?

Sphere volume is computed using the formula V = (4/3) * π * r³.

Geometry Calculator

Calculate area, perimeter, surface area, and volume of standard shapes.

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Parameters

R Reset

Select Shape

What would you like to calculate?

Radius (r)Radius. Distance from the center to the outer edge of a circle/sphere.

0.0110,000

Shape:Circle

Calculation:Area

Formula:

A = \pi r^2

Units:square units (units²)

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Circle Area

78.5398

Circumference31.4159 linear units

Result Interpretation

The calculated area of the circle is 78.5398 square units.

Mathematical Explanation

A = \pi r^2

Geometric parameters calculated.

Model and solve dimensions for circle, rectangle, sphere, cylinder, cone, and cube shapes.

Input variables:

Select Shape: Bounded parameter in the mathematical model.
What would you like to calculate?: Bounded parameter in the mathematical model.
What would you like to calculate?: Bounded parameter in the mathematical model.
What would you like to calculate?: Bounded parameter in the mathematical model.
What would you like to calculate?: Bounded parameter in the mathematical model.
What would you like to calculate?: Bounded parameter in the mathematical model.
What would you like to calculate?: Bounded parameter in the mathematical model.
Radius (r): Bounded parameter in the mathematical model.
Width (w): Bounded parameter in the mathematical model.
Length (l): Bounded parameter in the mathematical model.
Height (h): Bounded parameter in the mathematical model.
Side length (s): Bounded parameter in the mathematical model.

A comprehensive reference guide for circles, rectangles, spheres, and cylinders with standard visual derivations.