Tool
ROI Calculator
Calculate return on investment from net gain and total cost.
Real Estate Calculators
What this tool does
Estimate return on investment as a percentage of total cost. Useful for flips, hold-and-sell scenarios, and comparing project outcomes.
How to use
- Enter net gain after sale or project completion.
- Enter total cost including purchase, rehab, and carrying costs.
- Review ROI percentage and compare across deals.
Formula
ROI = (net gain ÷ total cost) × 100
Examples
Fix-and-flip outcome
Input: Net gain: $50,000, Total cost: $200,000
Output: ROI: 25.00%
50,000 ÷ 200,000 × 100 = 25% ROI.
Assumptions
- Net gain and total cost are entered as final project values.
- Does not annualize returns or model holding period timing.
- Estimate only. Not financial, tax, or investment advice.
Common use cases
- Evaluate fix-and-flip results
- Compare renovation scenarios
- Summarize project performance for investors
FAQ
What counts as total cost?
Include purchase price, rehab, closing costs, taxes, insurance, and financing costs where applicable.
Is ROI the same as IRR?
No. ROI is a simple ratio; IRR accounts for timing of cash flows over time.
Can I use this for annual returns?
This version uses a single gain and cost snapshot, best for project-level outcomes.
Source notes
- Simple ROI formula: (Gain − Cost) ÷ Cost, expressed as gain over cost in this calculator.
- For income properties, also review cap rate and cash-on-cash metrics.
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Last reviewed: 2026-05-23