3bigha Calculator
Land & Building Area Calculator
Calculate rectangular, triangular, circular, trapezium and irregular plot or roof area in square feet and square meter first, then convert land area into Indian regional units.
Used for rectangular land, rooms, floor slabs, shops, roof areas and regular building layouts.
For legal land records, verify final measurement with local survey or registry office.
Use this for L-shaped plots, split lands, multiple rooms, roof sections or courtyard houses.
Universal Area
Use these values first for property, construction, finance and legal discussion.
Regional Land Conversion · West Bengal · All districts / local practice
These are local-practice conversions from the universal square feet value.
Next Action After Measurement
Use this calculated area for construction estimate, material planning, vendor RFQ, finance discussion or property comparison.
Land Measurement FAQ
Square feet and square meter are universal. Local units like katha, bigha, kanal, marla or guntha vary by region, so universal area is shown first.
Indian land units often depend on state, district, mouza, registry office and local practice. Always verify before legal use.
Use it when opposite sides of a rectangular-looking land are not equal. The calculator averages both lengths and both breadths.
Use polygon measurement for irregular plots where you can mark multiple corner points from a sketch, map or field measurement.