Home Improvement ROI Calculator
Compare improvement cost with estimated resale contribution and operating savings.
Verify this calculatorVerified
See what the result uses—and what it cannot know.
Sumvoro calculates deterministically from the visible inputs. It does not invent lender terms, local rules, market values, medical facts, or professional judgments.
- 1 · InputsCheck every entered value against the latest statement, quote, measurement, or official source.
- 2 · Formula
ROI = (resale value added + savings during ownership − project cost) ÷ project cost. - 3 · SensitivityUse Insights to run a lower and higher case. If the conclusion changes easily, collect better information or leave more margin.
- 4 · ScopeThis tool is maintained and covered by automated calculation tests. Provider timing, rounding, and omitted facts can still change a real-world result.
- Formula release
- 2026.10-r4
- Release date
- October 10, 2026
- Review status
- Verified
- Source review
- September 12, 2026
Home Improvement ROI calculator
Home-improvement ROI compares estimated value added with complete project cost. It is a planning estimate, not a guarantee of appraisal value or resale price.
- Include permits, design, financing, and contingency.
- Use comparable local sales.
- Separate personal enjoyment from financial return.
Optional readingLearn how this calculator works
How the home improvement roi calculator works
Compare project cost with estimated resale value added and operating savings.
ROI = (resale value added + savings during ownership − project cost) ÷ project cost.
Read our calculation methodology and limitations.
Example
Start with the example scenario, then replace each clearly labeled field with values from your property, statement, quote, or project budget.
Will a renovation recover its cost when I sell?
- Total project cost
- $40,000
- Estimated resale value added
- $28,000
- Annual operating savings
- $1,200
- Years before sale
- 5 years
- Selling cost on added value
- 6 %
- Estimated project ROI
- -19.2%
- Net financial gain or loss
- -$7,680.00
- Net resale value added
- $26,320.00
- Operating savings before sale
- $6,000.00
Separate estimated resale benefit from operating savings and personal enjoyment. Resale value is not guaranteed.
These are fictional, editable assumptions—not market quotes or personal advice.
What affects the result
- Resale value depends on market and buyer preferences.
- Maintenance and financing costs may reduce returns.
- Some projects deliver lifestyle value beyond resale.
Helpful guides
Frequently asked questions
What should I verify before relying on this?
Confirm property value, loan terms, costs, taxes, and local requirements with primary documents and the appropriate lender or professional.
Does Sumvoro save my property data?
The scenario stays locally in your browser unless you deliberately use a sharing or reporting action.