Input
Cost 10k / Rev 15k
ROI
50%
Developer Tools
ROI Calculator — Return & Payback Period
Compute return on investment, annualized ROI, monthly profit, and payback months from cost, revenue, and period—quick project or ad spend checks.
ROIInvestmentCalculator
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开发工具
ROI Calculator
ROI（投资回报率）
-
净利润
-
年化 ROI-
月均收益-
回本周期-
成本收入比-
ROI 可视化
成本 收入
Use cases
- Compare project ROI
- Estimate ad campaign payback
- Sanity-check business cases
How to use
- Enter investment cost and expected revenue
- Set the measurement period
- Review ROI, annualized return, and payback
Example input and output
FAQ
How is ROI defined here?
Typically (profit − cost) / cost; annualized figures scale by the period you enter.
Accounting-grade?
Quick estimates only—tax, discounting, and GAAP rules need separate models.
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