Renovation math without the contractor pitch.
Most home renovation cost calculators are run by contractors, lead aggregators, or home improvement platforms with a commission on the project. This site is the opposite: every formula is open-source, every estimate cites the primary source (RSMeans, Remodeling Magazine Cost vs. Value report, Fannie Mae homestyle guidelines, IRC §121 exclusion), and every tool is reviewed by a named operator. Built for homeowners calculating renovation ROI, project financing, and resale value uplift.
Calculators
Pick the renovation math you actually need.
Learn
Concepts behind the renovation math.
- ROI
Renovation ROI by project type: what the Cost vs. Value report shows
Garage door replacement returns 194% at resale in the West vs. 87% for a major kitchen remodel. Here's the project-by-project and region-by-region breakdown from Remodeling Magazine's 2024 Cost vs. Value report.
- Financing
HELOC vs. home equity loan vs. cash-out refi: renovation financing compared
HELOC, home equity loan, cash-out refi, and Fannie Mae HomeStyle each have different rate structures, draw mechanics, and tax treatment under IRC §163(h). Here's the framework for choosing.
- ROI Analysis
Kitchen Renovation ROI in 2026: What Remodeling Magazine's Data Actually Says
Minor kitchen remodel: 96% ROI. Major upscale kitchen remodel: 38% ROI. The gap is $80,000+ and most homeowners discover it too late. Here's what the primary-source data actually shows.
- Financing
HELOC vs. Home Equity Loan for Renovation in 2026: Rate Math and Tax Deductibility
HELOC vs. home equity loan is not just a rate decision — it's a timing and tax decision. On a $50,000 renovation, the wrong choice can cost $8,000+ in extra interest. Here's the math.
What makes this different
Three things every Bedrocka Tools site does that the contractor-quote mills don't.
Open-source math
Primary-source citations only
Named operator, no commission
Bedrocka Tools family
Renovation Math Pro is part of the Bedrocka Tools portfolio of source-cited calculator sites. For real estate investor math — cap rate, BRRRR, fix-and-flip, DSCR — visit propertymathpro.com (Real Estate Investor Toolkit). Same doctrine, different depth. Each site is individually source-cited and quarterly reviewed.
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