Rehab ROI Calculator
Find the return on a renovation project.
Results update as you type.
How it works
Not every renovation pays for itself, and this calculator measures the return on a rehab or remodel. You enter the property's value before the renovation, its value after, and the cost of the work, and it returns the net gain and the ROI. The value added is the difference between the after and before values, and the net gain subtracts the rehab cost to show the profit above what you spent. Dividing the net gain by the cost gives the ROI, which tells you how efficiently your renovation dollars increased value. This matters because renovations vary widely in payback: kitchens, bathrooms, and curb-appeal projects often recoup a large share of their cost or more in added value, while highly personalized or over-improved upgrades may add little to resale value. A positive ROI means the renovation added more value than it cost; a negative ROI means it cost more than it returned, common for luxury upgrades beyond the neighborhood's norm. Investors use rehab ROI to prioritize the improvements that add the most value per dollar, and homeowners use it to decide which projects are worth doing before selling. Remember that added value is best estimated from comparable sales, and that some renovations are worth doing for personal enjoyment regardless of ROI. Enter the before and after values and the rehab cost to find the return.
Net gain = (value after − value before) − rehab cost; ROI = net gain ÷ rehab cost × 100
The value a renovation adds is the after value minus the before value. Subtracting the rehab cost gives the net gain — the profit beyond what you spent. Dividing that net gain by the rehab cost gives the return on investment as a percentage.
Source:Real estate investing
We review all our tools from time to time to ensure accuracy.
Worked example
How to use this calculator
- 1
Enter your values
Enter value before renovation, value after renovation and renovation cost.
- 2
Adjust the options
Fine-tune any options to match your situation.
- 3
Read your result
Net gain updates instantly as you type — no button to press.
Frequently asked questions
How do you calculate renovation ROI?
Subtract the before value from the after value to find the value added, then subtract the rehab cost for the net gain, and divide that by the rehab cost. A renovation that raises value from $200,000 to $260,000 for $40,000 nets $20,000, a 50 percent ROI. It shows how efficiently your spending increased value.
Which renovations have the best ROI?
Kitchen and bathroom updates, curb-appeal improvements like landscaping and exterior work, and fixing functional problems typically return a good share of their cost. Cosmetic refreshes such as paint and flooring often pay off well too. Highly personalized, luxury, or over-improved projects beyond the neighborhood norm tend to have lower ROI, since buyers won't pay a premium for them.
Can a renovation have a negative ROI?
Yes. If a project costs more than the value it adds, the ROI is negative. This is common with luxury upgrades that exceed what the local market supports, or highly personalized changes future buyers don't value. Over-improving relative to the neighborhood is a frequent cause, which is why matching renovations to the area's norms matters.
How do I estimate the after value?
Base it on comparable recent sales of similar renovated homes in the same area. Look at what updated properties like yours sell for, and be realistic rather than optimistic. Real estate agents and appraisers can help. An accurate after value is essential, since overestimating it inflates the ROI and can lead to spending more on renovations than you'll recover.
Should ROI be the only factor in renovating?
No. If you plan to sell soon, ROI is important for choosing value-adding projects. But if you'll live in the home for years, personal enjoyment, comfort, and functionality also matter, and a lower-ROI renovation you love can be worthwhile. Balance the financial return with how much you'll benefit from the improvement while you own the home.