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`A = "w" * "h" `

Enter a value for all fields

The **Area of a Rectangle** calculator (A = w•h) computes the area * Rectangle*of a rectangle (A) as a function of the width(**w**) and height(**h**).

**INSTRUCTIONS: **Choose your preferred units (e.g. inches or meters) and enter the following:

- (
**w**) the width of the rectangle - (
**h**) the height of the rectange

The calculator returns the area (**A**) in square meters. This can be automatically converted to many other area units (e.g. square inches) via the pull-down menu.

**Related Calculators:**

- To compute the length of the side of a rectangle from the Area and other side, CLICK HERE.
- To compute the diagonal (D) of a rectangle from the length of two sides (not parallel), CLICK HERE.

A rectangle is a four sided object where the sides are straight lines and the corner are right angles (90o). A rectangle is a special type of the more general quadrilateral. To compute the area of a quadrilateral,CLICK HERE.

- Light and Matter(Dr. Benjamin Crowell) Chapter 0.3 How to Learn Physics
- Light and Matter(Dr. Benjamin Crowell) Chapter 3.6 Algebraic results for constant acceleration