Calculadora de Volume da Esfera
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
V = (4/3) × π × r³
About this calculator
The Sphere Volume Calculator is an online tool that determines the volume of a sphere from its radius. The volume is calculated using the formula V = (4/3) × π × r³, where r is the radius of the sphere. This calculator is useful for students, teachers, and professionals who need quick and accurate results in spatial geometry problems.
To use the calculator, simply enter the radius value of the sphere in the indicated field. The tool automatically applies the formula and displays the calculated volume. The result is presented in cubic units, such as cm³, m³, or any length unit used. The calculator also offers the option to round the result to a specific number of decimal places.
This calculator is ideal for situations such as calculating the volume of balls, balloons, planets, or any spherical object. Professionals in fields like engineering, architecture, and exact sciences can benefit from the quick calculation. Additionally, it is a valuable educational tool for demonstrating the application of the sphere volume formula in the classroom.
When using the calculator, remember that the radius must be positive. Make sure to use the same unit of measurement for the radius and the volume. For objects that are not perfectly spherical, the result will be an approximation. The calculator assumes an ideal sphere without deformations.
Frequently asked questions
What is the formula for calculating the volume of a sphere?
The formula is V = (4/3) × π × r³, where r is the radius of the sphere.
Can I use any unit of measurement for the radius?
Yes, but the volume will be expressed in the corresponding cubic unit. For example, if the radius is in cm, the volume will be in cm³.
What happens if I enter a negative value for the radius?
The calculator does not accept negative values, as the radius of a sphere must be positive.
How is the result rounded?
You can choose the number of decimal places desired. The default is 2 decimal places.
Does this calculator work for objects that are not perfect spheres?
No, it assumes an ideal sphere. For irregular objects, the result is an approximation.