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Area of a Rectangle Calculator

Math
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Calculates the area of a rectangle given its length and width.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Length and Width in the units shown.

Step 2

Read Area in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Rectangle

Length: 5 m; Width: 2 m

Area: 10 m²

Medium Rectangle

Length: 10 m; Width: 5 m

Area: 50 m²

Large Rectangle

Length: 20 m; Width: 10 m

Area: 200 m²

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