Calculadora de Volume do Cubo
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
V = lado³
About this calculator
The Cube Volume Calculator is an online tool that quickly calculates the volume of a cube from the measurement of one of its sides. Volume represents the three-dimensional space occupied by the cube, essential in fields such as engineering, architecture, and logistics. Simply enter the side length in any unit, and the calculator applies the mathematical formula to get the result.
The calculation is based on the formula V = side³, where V is the volume and side is the length of an edge. Since all edges of a cube are equal, we cube the side (multiply the value by itself three times). For example, a cube with a side of 5 cm has a volume of 125 cm³. The tool accepts units like meters, centimeters, inches, feet, and others, displaying the result in the corresponding cubic unit.
You can use this calculator in practical situations such as determining the capacity of a cubic box, calculating the volume of concrete needed for a cubic block, estimating storage space in a cubic container, or for school geometry problems. It is useful for professionals who need quick answers without manual calculation errors.
Important precautions: ensure the unit of measurement is correct and consistent throughout the calculation. Remember that the result will be in the cubic unit of the input (e.g., if using meters, volume is in cubic meters). Do not confuse volume with surface area. For cubes with sides in different units, convert all to the same unit before calculating.
Frequently asked questions
How do I calculate the volume of a cube if I only have the diagonal?
If you have the cube's diagonal, find the side by dividing the diagonal by √3. Then use the volume formula: V = (diagonal/√3)³.
What is the difference between volume and surface area of a cube?
Volume measures the internal space of the cube (in cubic units), while surface area measures the total area of its faces (in square units).
Can I use this calculator for cubes with sides in inches?
Yes, the calculator accepts any unit of length, including inches. The volume will be given in cubic inches.
Does the cube volume change if I use centimeters instead of meters?
The numerical value changes, but the actual volume is the same. For example, 1 m³ equals 1,000,000 cm³. The calculator converts automatically if you use different units.
What is the formula to calculate the volume of a cube?
The formula is V = side³, where side is the length of one edge of the cube.