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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.
HVAC Tonnage Calculator
Quick-estimate the AC/heat pump tonnage for a home. Based on square footage, climate zone, and insulation quality.
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Roofing Squares Calculator
Estimate roof area and squares (100 sq ft each) from roof dimensions and pitch. Includes waste-factor recommendations.
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Electrical Service Size Calculator
Estimate the right service size (100/150/200A) based on home square footage and major appliances. Simplified NEC load calc.
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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.
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