Rectangle Calculator

Use this online calculator to calculate the properties fo a rectangle

Dimensions for 2d rectangle

Note - changing area or volume affects height, width and depth. Tick the "lock" boxes to maintain the required dimensions (if all unlocked depth will be changed)



Dimensions for 3d rectangle


Calculation refinement

You can refine the calculations by controlling the number of decimal places that the calculator calculates to. The default is 2 decimal places.

Rectangle and Rectangular Cuboid Calculator

How to calculate the area of a Rectangle

a x b = c where:

  • a = width
  • b = height
  • c = area of a rectangle

How to calculate the area of a Rectangular Cuboid

a x b x c = d where:

  • a = width
  • b = height
  • c = depth area of a rectangle
  • d = area of a rectangular cuboid

Popular Math Calculators

People who used the 'Rectangle Calculator 2d and cuboid' also viewed the following math calculators: