Tools

Free construction calculators and planning tools.

Fast public tools for contractors who need a number, a deadline, or a quick check before moving work forward.

Markup and margin

Markup Calculator

Convert cost, markup, margin, profit, and sell price without confusing markup with true margin.

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Texas lien timing

Lien Deadline Calculator

Estimate Texas mechanics lien notice and filing windows based on project role, dates, and project type.

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Want the tools connected to real projects?

BuilderMaxPro turns estimates, invoices, payments, and lien deadlines into one job record instead of separate calculators.

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