Free tools · no signup required

Free contractor calculators.

Built for the quick estimates you do mentally before writing a real proposal. Bookmark them. Share them. No signup, no email, no upsell.

Quick-estimate the AC/heat pump tonnage for a home. Based on square footage, climate zone, and insulation quality.

Estimate roof area and squares (100 sq ft each) from roof dimensions and pitch. Includes waste-factor recommendations.

Estimate the right service size (100/150/200A) based on home square footage and major appliances. Simplified NEC load calc.

Once you have the estimate, draft the proposal in 5 min.

ScopeCrafters drafts the full scope, terms, and warranty from your site notes. $79/mo flat. 7-day free trial.