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Home Improvement ROI Calculator

Get a rough estimate of resale value recouped for common renovation project types.

Computed in your browser — nothing you enter is uploaded. Figures are presented for United States against IRC 2024, and every formula is cited under regulatory standards below.

Last verified 2026-08-25 · v1.0.0

Market
Imperial · sales tax

Estimated resale value added

15000 $ (estimated value added)

Low confidence

These are broad national averages from a specific point in time and vary significantly by local market, home price tier, renovation quality, and timing of sale — treat this as a rough planning reference, not a resale appraisal.

Cost recouped
75 %

At the values currently entered, the estimated resale value added works out to 15000 $ (estimated value added). Note that project cost sits at the low end of the range this calculator was checked against, so treat the output as indicative rather than settled. Confidence on this run is low: check the result against a supplier quote or a professional before ordering or building. Figures are shown for United States, where IRC 2024 is the governing residential reference; switch the market above if you are building elsewhere.

Preliminary estimate, not certified engineering. This tool produces an indicative quantity calculation for planning purposes only — it is not a certified structural analysis, a guaranteed material takeoff, or a substitute for building department approval. Always verify measurements on-site and have a licensed contractor or structural engineer review any load-bearing, code-sensitive, or safety-critical work before purchasing materials or starting construction. Spotted an arithmetic or standards error? Report it to contact@craftquantities.com with your inputs — confirmed fixes become pinned regression tests.

[Schema Verified] Computed in alignment with American Concrete Institute (ACI 318-19) formulas and International Residential Code (IRC 2024) spatial boundaries.

Regulatory standards & verification citations

  • Commonly cited industry-average national cost-recouped percentages by project type (garage door ~90%, minor kitchen/siding ~75%, windows/bathroom/deck ~65%) — figures vary by year, region, and market conditions

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Frequently asked questions

Why do some projects recoup more than others?
Projects that improve curb appeal or fix visible deferred maintenance (like a garage door or siding) tend to influence buyer perception strongly relative to their cost, while highly personalized upgrades often appeal to a narrower set of buyers.
Should I renovate purely for resale value?
Not necessarily — this estimates recouped resale value only, not the value you get from actually living in and enjoying the improved space, which many homeowners weigh at least as heavily.
Does this account for my specific local market?
No — these are broad national averages. Local market conditions, comparable home prices in your area, and how long you plan to stay before selling all meaningfully affect actual ROI.