Construction Calculator Hub
Precise building material estimates for tradespeople and homeowners.
Finishes
Masonry
Structural
Concrete Calculator
Calculate concrete volume in cubic meters
Cement Calculator
Estimate cement bags for your project
Roof Area Calculator
Compute roof surface area with pitch
Insulation Calculator
Calculate insulation area coverage
Foundation Calculator
Calculate concrete for foundations
Stair Calculator
Calculate stair surface area
Landscaping
Woodwork
General
What this site is for
Quick, checkable estimates of how much material a job needs. Enter dimensions, get a quantity, and see the formula behind it. These are planning figures, not engineering advice.
Who it is for
Homeowners planning a renovation and tradespeople who want a fast second check before ordering. Every calculator page explains its formula and shows a worked example you can verify by hand.
How to check the numbers
Each calculator has a formula, variable list and worked example. Compare results with your supplier datasheet before buying.