Clear inputs
Use familiar job terms, dollars and percentages without fighting a spreadsheet.
FREE FOREVER — NO SIGN-UP
Contractor utilities that pay for themselves.
Practical job tools for contractors, subcontractors and small crews. Estimate labor, markup, materials and profit in seconds.
- No sign-up
- Saved on this device
237Live utilities375Guides3Languages
MOST USED TOOLFREE
BUILT AROUND THE WAY YOU WORK
One toolkit. Every part of the job.
Start with pricing and profitability, then move into trade-specific material and estimating tools as the kit grows.
17
Business & Estimating
Pricing, labor, overhead, margins and full-job estimates.
Browse utilities →75
Exterior & Structure
Roofs, siding, windows, gutters, concrete, foundations and more.
Browse utilities →23
Yard & Outdoors
Landscaping, trees, fences, decks, pavers, pergolas and sprinklers.
Browse utilities →25
Interior & Remodeling
Bathrooms, kitchens, drywall, tile, flooring, doors and finishing.
Browse utilities →31
Mechanical & Systems
HVAC, electrical, water heaters, softeners, sump pumps and fans.
Browse utilities →17
Plumbing & Kitchen
Water and gas lines, drains, kitchen fixtures and appliance hookups.
Browse utilities →14
Garage
Garage construction, storage, doors, openers, springs and lift cables.
Browse utilities →13
Painting
Interior, exterior and whole-house painting projects.
Browse utilities →14
Solar
Preliminary cost estimates for residential solar projects.
Browse utilities →WHY CONTRACTOR BUDGET KIT
Built for decisions made on the jobsite.
Transparent math
See the formula and calculation path behind every result.
Useful output
Save locally, print, share or turn the result into a PDF from your browser.
A SIMPLE JOB WORKFLOW
From cost to confident price.
- 01
Enter the job details
Add labor, direct cost and the percentages that apply to this job.
- 02
Review the calculation
Check each component instead of trusting a hidden answer.
- 03
Use the result
Price the job, print the summary and keep moving.
FREQUENTLY ASKED QUESTIONS
Practical answers before you calculate.
Are these tools free?
Yes. 100% free forever — no account, no trial, no paywall.
Will my numbers be uploaded?
No. In this first version, saved calculator entries stay in your browser on this device.
Can I use the tools in Spanish?
Yes. Every published calculator has its own English and Spanish page.
Are the results a professional estimate?
They are planning tools. Confirm quantities, site conditions, contracts and local requirements before submitting a bid.
CBK TOOLKIT
Know your numbers before the job starts.
Choose a utility and build a price you can explain.