Rectangle Area Calculator

Calculate the area of a rectangle by multiplying its length by its width. Enter both dimensions in the same unit to obtain square units.

Calculate the area of a rectangle by multiplying its length by its width. Enter both dimensions in the same unit to obtain square units.

How this calculation works

Rectangle area = length × width.

Check that your inputs use consistent units and assumptions. Results are estimates for general information and should be checked against the rules or requirements that apply to your situation.

Results are estimates based on the inputs and assumptions shown. Check the methodology before relying on a result.