Calculadora de Área do Paralelogramo
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
A = base × altura
About this calculator
The Parallelogram Area Calculator is a simple tool to compute the area of a parallelogram. The calculation is done by multiplying the base by the height. The base is one side of the parallelogram, and the height is the perpendicular distance between the base and the opposite side. This formula is straightforward and widely used in geometry.
To use the calculator, input the values of the base and height in the same unit of measurement. The tool then multiplies these two numbers to obtain the area. It is important that the height is perpendicular to the base, not the length of a slanted side. If the height is not known, it may need to be calculated from other information, such as angles or diagonals.
This calculator is useful in various practical situations, such as calculating areas of land, floors, or surfaces shaped like a parallelogram. For example, when designing a garden or a room with non-rectangular walls, knowing the area helps in purchasing materials like grass, flooring, or paint. It is also common in school math problems and in engineering and architecture contexts.
When using this calculator, ensure that the measured height is truly perpendicular to the base. A common mistake is using the length of the slanted side as the height, which results in an incorrect value. Also, check that the units are consistent (e.g., both in meters or centimeters). If the height is not provided, you may need to use other formulas, such as one involving sides and the sine of an angle.
Frequently asked questions
What is the formula to calculate the area of a parallelogram?
The formula is base multiplied by height (A = base × height), where height is the perpendicular distance between the base and the opposite side.
Can I use the slanted side as the height?
No, the height must be perpendicular to the base. Using the slanted side will result in an incorrect calculation.
What if I don't know the height?
You can calculate the height using other information, such as the length of the slanted side and the sine of the angle between the base and that side.
Does this calculator work for any unit of measurement?
Yes, as long as base and height are in the same unit. The result will be in that unit squared.
What is the difference between the area of a parallelogram and a rectangle?
The formula is the same (base × height), but in a rectangle the height equals the adjacent side, while in a parallelogram the height is the perpendicular distance.