Free Construction Calculators
Useful tools for plot owners, homeowners and construction professionals. No login needed.
Land Unit Converter
Katha, Bigha, Decimal, Sq ft, Sq m, Acre
Open Calculator →Tiles Calculator
Room area to tiles and boxes needed
Open Calculator →Paint Calculator
Wall area to litres of paint needed
Open Calculator →Brick Calculator
Wall dimensions to brick quantity
Open Calculator →More Tools →
FAR checker, staircase calculator and more
Open Calculator →All calculators work in your browser. No data is saved or shared.
Our Professional Network
Verified architects, planners and engineers registered on KnowMyArchitect — Bihar and beyond.
Individual architects, engineers, planners and registered firms. Pan-India registration open now.
This tool provides preliminary advisory guidance only. Final building permission depends on verified site measurements, ownership records, latest applicable bye-laws, local authority interpretation, and official scrutiny by the competent authority. KnowMyArchitect does not guarantee approval based on this preliminary report.