Mathematics, home, and construction basics · Geometry

Rectangle area and perimeter

Find the area and perimeter of a flat rectangle from its length and width.

Published · R0

Method and scope

Area = length × width. Perimeter = 2 × (length + width).

Calculate basic two-dimensional rectangular measurements. Intended for Everyday use, Learners, Early estimates.

Inputs
  • Length — m, cm, ft, in
  • Width — m, cm, ft, in
SOURCE AND LIMITS

Assumptions: The shape is a flat rectangle. Length and width are perpendicular side lengths.

Limitations: Use a qualified design method and professional review for structural or code decisions.

Method version 1.0.0 · Unit registry and result provenance are shown after calculation. This tool is limited to the documented scope.
← Back to formula calculators
SAVED ON THIS DEVICE

Calculation history

History stays in this browser profile. Avoid saving sensitive information on a shared device.

ORIGINAL SAVED RESULT

Calculation

AuraCalc note