Surface Area Calculator

Coating applicators can be confronted with a difficult task of accurately calculating quantities of coatings required for their project. Especially if their projects are complex structures shaped in various symmetric and asymmetric designs. The following surface area calculators calculate the areas of common shapes. Once the surface area is determined for your project, use our Coating Calculator and Coating Specifications for the quantities.

Square

Length
Total Area

Rhombus

Diagonal 1
Diagonal 2
Total Area

Rectangle or Parallelogram

Base
Height
Total Area

Triangle (using base and height)

Base
Height
Total Area

Trapezoid

Height
Length of top
Length of bottom
Total Area

Circle

Radius (half the diameter)
Total Area

Oval

Overall width (not radius)
Overall length (not radius)
Total Area

Cylinder

Radius (half the diameter of base)
Height
Total Area

Cube

Length
Total Area

Sphere

Radius (half the diameter)
Total Area


Disclaimer: This calculator has been set up by A&I Coatings, and offer the use of this tool as a guide only free of charge. Product usage rates and film build required will vary from project to project in reflection of the atmospheric corrosion category, varying wear factors and substrate conditions. A&I Coatings do not accept responsibility for any product usage or quantity miscalculations derived from the use of this tool.