Free Tools

Free Contractor Calculators

Professional construction calculators to help you estimate jobs accurately. No signup required.

Business Calculators

Calculate the true cost of employees including payroll taxes, workers' comp, insurance, and benefits. Know your fully burdened hourly rate.

Enter your overhead, salary, and job economics to see exactly how much monthly revenue you need — and how many jobs that takes.

Convert between markup and margin percentages. See how your markup translates to profit margin and vice versa.

Calculate your profit margin from job costs and selling price. See revenue, profit, and margin percentage.

Calculate construction costs per square foot for residential, commercial, and industrial projects.

Calculate gallons of paint needed by room dimensions or area. Accounts for doors, windows, coats, surface type, and primer.

Calculate cubic yards for slabs, footings, columns, and stairs. Get bag counts for small pours and ready-mix estimates.

Calculate sheets, joint compound, tape, and screws for any room. Accounts for doors, windows, ceiling, and waste.

Calculate roofing squares, shingle bundles, underlayment, and accessories from building footprint and roof pitch.

Calculate tile count, thin-set mortar, and grout. Supports common sizes, custom tiles, and multiple layout patterns.

Estimate material waste for any project with industry-standard waste factors for common construction materials.

AI-powered construction estimating software that generates full estimates from your takeoffs in minutes.