Geometry
Rectangle Area & Perimeter
Enter the length and width of a rectangle. The tool works out the area (length × width) and the perimeter (twice the length plus twice the width), showing the formula with your numbers substituted in.
InputsA = l × w
Step-by-step
waitingFill in the fields and press Solve. The full method will appear here, one numbered step at a time.
4 tools in Geometry.Back to the tool directory →
Related formulas
Explained with worked examples in the Formula Library.