Free Contractor Tools & Calculators
Original, fully functional tools to price your work, check profitability, and justify software spend. Everything runs in your browser — no account, no email, no data stored.
Ready-to-use calculators
Contractor Hourly Rate Calculator
Find the break-even and profit-adjusted hourly rate your trade business needs to charge, from owner pay, overhead, and billable hours.
OpenJob Profit Margin Calculator
Enter a job's revenue and costs to see gross profit, gross margin, and markup — and understand the difference between margin and markup.
OpenContractor Estimate Calculator
Build a quick estimate from labor, materials, equipment, overhead, profit margin, and optional sales tax, with a printable summary.
OpenField Service Software ROI Calculator
Estimate the monthly and annual return from field service software based on technician time saved and software cost.
OpenContractor Break-Even Calculator
Calculate how many jobs and how much monthly revenue you need to cover your fixed and variable costs.
OpenComing soon
Planned tools we're building next. They are listed honestly as not yet available.
Technician Utilization Calculator
PlannedFree Contractor Invoice Generator
PlannedFree Contractor Estimate Template
PlannedHVAC Job Cost Calculator
PlannedPlumbing Job Estimate Calculator
Planned