Free real estate and construction calculators
Build faster cost visibility.
Detailed browser-based tools for office-to-residential conversion, multifamily planning, construction cost, data center development cost, capitalization rate, net operating income, development yield, debt coverage, parking, land basis, rent analysis, area efficiency, and break-even occupancy.
Calculators
All thirteen calculators are on this homepage. Each one is built to do more than simple arithmetic. They separate assumptions, line items, decision signals, and interpretation so you can screen real development and acquisition questions faster and more intelligently.
Data Center Development Cost Calculator
Separate critical IT capacity, facility construction, high-density and resiliency premiums, site and utility infrastructure, soft costs, contingency, escalation, land, financing, and optional technology fit-out.
About
BuildMath is a planning-level toolset. It is meant to help surface the next serious question, not replace a construction estimate, lender model, code study, appraisal, or professional opinion.