<\!DOCTYPE html> Free Contractor Bid Margin Calculator — ScopeStack
Free tool for residential remodelers

Contractor Bid Margin Calculator

Enter your numbers. See your real margin in seconds. Find out if you're underbidding — and by exactly how much.

Enter your job details

What you're charging the homeowner
All materials for the job
Subs + your own crew
% of bid amount for overhead
Industry standard: 20–30%
Enter your bid amount to see results →
For serious remodeling contractors

ScopeStack does this calculation automatically for every blueprint you upload.

Upload a PDF blueprint → AI extracts every material and quantity, room by room → generates a branded proposal → homeowner pays deposit via Stripe. No spreadsheets.

$149/month · No setup fee · Cancel anytime
Start free account →

No credit card required to start.

01
AI blueprint takeoff — every material, every room, exact quantities
02
Branded proposal PDF sent to homeowner in one click
03
Stripe deposit + milestone payments. Money in your account daily.
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