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FREE CONTRACTOR RESOURCE CENTER

Free Job-Site Calculators & Business Form Templates.

Instant contractor tools to calculate concrete volume, roofing squares, wall stud framing, drywall, and job markup—plus free customizable, print-ready proposal and change order templates.

Launch Field Calculators Download Free Templates

100% Free to use on any mobile device or desktop. No sign-up required.

JOB-SITE UTILITY SUITE Fast Material Takeoffs & Proposals Instant Results Calculate materials or generate PDF contracts in under 60 seconds. Designed for trade contractors, owner-operators, and field estimators.
100% Free Contractor Tools.Calculate materials, yardage, framing & margins in seconds.
Printable & Customizable PDFs.Professional proposal, change order, and invoice templates.
No Credit Card Required.Instant job-site utility with no sign-up or paywalls.

JOB-SITE FIGURING TOOLS

Interactive Construction Calculators

Select a trade calculator below to perform instant material takeoffs and margin calculations right from the field.

foundation Concrete Slab & Yardage Estimator

CALCULATION RESULTS
Cubic Yards Needed 7.41
80lb Bags (Premix) 334
60lb Bags (Premix) 445
Rebar Grid (18" Spacing) 800 ft
Includes 10% safety overage margin for subgrade variation.

FREE BUSINESS ASSETS

Professional Contractor Form Templates

Customizable, print-ready document templates designed specifically for trade contractors, owner-operators, and field teams.

ESTIMATE PROPOSAL print Print / PDF Ready

Construction Bid & Proposal Form

Itemized project scope breakdown, labor/material cost schedule, payment terms, and formal customer authorization signature block.

APEX CONTRACTING SERVICES Lic #GC-948201 • (555) 234-5678
PROPOSAL Est #1084
Prepared For: John Miller • Dallas TX
TOTAL PROPOSED: $6,050.00
CHANGE ORDER print Print / PDF Ready

Contractor Scope Change Order

Document added field scope, price adjustments, schedule impacts, and client authorization signatures to protect job profitability.

APEX CONTRACTING SERVICES Change Order Agreement
CO #02
Original Contract:$24,500.00
Net Scope Change (+):+$1,850.00
New Total:$26,350.00
SUBCONTRACTOR print Print / PDF Ready

Subcontractor Work Order Agreement

Define trade assignments, safety standards, insurance compliance, and milestone payment schedules for subbed-out crews.

SUBCONTRACT AGREEMENT GC & Subcontractor Contract
WO #402
Milestone 1: Rough-in Inspection ($2,500) • Milestone 2: Final Trim ($2,000)
JOB INVOICE print Print / PDF Ready

Itemized Job Invoice & Payment Ledger

Professional billing statement tracking original contract total, deposit draws paid, and net balance due upon completion.

APEX CONTRACTING SERVICES Invoice #INV-2094
BALANCE DUE
BALANCE DUE NOW: $10,000.00

THE ESTIMATE LEAVES BEFORE YOU DO

Tired of doing scratch-paper math in your truck?

FieldSquire AI automates all these material calculations, photos, voice notes, and customer e-signatures in 60 seconds right from your phone. Send branded proposals before you leave the driveway.

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