# Area of a Rectangle Calculator

Enter the height (a) and width (b) of the rectangle in any units, and calculate its area. You can also see the detailed step-by-step calculation process.

Area = a * b

Result:

## How to use this calculator?

- Enter the
**height (a)**and**width (b)**in the selected units. - See the calculated
**Area of a rectangle**, and if needed, change its unit. - See the detailed, step-by-step
**Calculation**process.

## How to calculate Area of a Rectangle?

To calculate the area of a rectangle, multiply the length of side "a" by the length of side "b."

Area of a Rectangle = a * b

- a - Height
- b - Width

**Example:**Calculate the area of a rectangle with height (a) of 6 cm and width (b) of 14 cm.

Area = a * b

Area = 6 cm * 14 cm

Area = 84 cm²