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# Area of Rectangles and Parallelograms Calculator Online

This calculator determines the area of rectangles and parallelograms based on the input values for their dimensions. It is useful for students, teachers, engineers, and anyone who needs to find these areas accurately and quickly.

## Formulas of Area of Rectangles and Parallelograms Calculator

### Area of a Rectangle

To calculate the area (A) of a rectangle, use the formula:

A = l * w

• l is the length of the rectangle
• w is the width of the rectangle

### Area of a Parallelogram

To calculate the area (A) of a parallelogram, use the formula:

A = b * h

• b is the base of the parallelogram
• h is the height of the parallelogram (the perpendicular distance from the base to the opposite side)

These formulas allow you to determine the area of both rectangles and parallelograms.

## Conversion Table

Below is a table with general terms and conversions that people often search for. This will be helpful for quick reference without needing to calculate each time.

## Example of Area of Rectangles and Parallelograms Calculator

Let’s go through an example to see how the calculator works.

1. Rectangle Example
• Length (l) = 7 units
• Width (w) = 4 units
• Area (A) = l * w = 7 * 4 = 28 square units
2. Parallelogram Example
• Base (b) = 5 units
• Height (h) = 3 units
• Area (A) = b * h = 5 * 3 = 15 square units