Free roofing calculators and operations tools
Measure a roof, plan a purchase quantity, model a bounded scenario or review a response workflow. Every basic result stays ungated, with its method and limits beside the instrument.
Browse by task
Featured operations tool
Answer a short set of questions about first response, follow-up, reply visibility, stop rules, and escalation. The result is directional and uses no fabricated industry benchmark.
Review a workflow Source-reviewed method
Review your own response and follow-up answers without a fabricated benchmark.
Three flagship tools
Use the connected toolkit for a complete measurement path, or a focused calculator when one exact conversion is enough.
Start here Source-reviewed method
Move from footprint and pitch through waste and estimated bundles in one workflow.
Measure Source-reviewed method
Convert footprint dimensions and pitch into sloped area and roofing squares.
Measure Source-reviewed method
Convert rise and run into angle, grade and pitch multiplier.
Compact tool registry
Each instrument owns one job. The registry stays compact on mobile so discovery does not become a wall of repeated cards.
Keep waste, coverage and purchase rounding visible.
Model editable scenarios without presenting a quote or coverage decision.
Review a workflow or configure a source-bounded website instrument.
Method before marketing
The calculators preserve their supplied formulas and expose units, waste, purchase rounding and other assumptions. They support early planning; they do not replace field measurements, aerial reports, supplier specifications or contractor judgment.
Quick references
Contextual next step
These instruments help with measurements, materials, scenarios and workflow review. The Estimate & Inspection Request Map separately documents the public ways a homeowner can request work from a roofing company.