Free tools
Contractor Calculators and Free Tools
Free calculators and workflow tools for contractors, roofers, and home service businesses planning estimates, follow-up, and software decisions.
Start with a lightweight calculator when you need a planning number, a quick sanity check, or a way to think through quote follow-up before buying contractor software.
Lost Estimate Revenue Calculator
Estimate how much revenue no-response estimates may be costing your contracting business each month.
RoofingRoof Square Footage Calculator
Estimate roof square footage, roofing squares, and waste-adjusted material area from a footprint or measured roof sections.
RoofingRoof Shingle Calculator
Estimate roof area, roofing squares, and rough shingle bundle needs for early planning and quote conversations.
When to Use These Tools
These calculators are useful for early planning and workflow diagnosis. They do not replace field measurements, licensed contractor advice, product specifications, code review, or a formal quote.