Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Investing
ROI Calculator
Calculate the simple return on investment (ROI) percentage from an initial outlay and a final value. Use it for quick performance comparisons across investments where time horizon is the same or you do not need an annualized view.
Fill in the required fields to see your result.
Economics
Present Value Calculator
Discount a future cash amount back to today's value using PV = FV / (1 + r)ᵗ. The foundation of every cash-flow valuation in finance — bonds, equities, projects, real estate, insurance, and any decision that trades current money against future money.
Fill in the required fields to see your result.
Key differences
| ROI Calculator | Present Value Calculator | |
|---|---|---|
| Category | Investing | Economics |
| Inputs required | 2 | 3 |
| Result | Return on Investment (%) | Present Value ($) |
| What it does | Calculate the simple return on investment (ROI) percentage from an initial outlay and a final value. Use it for quick performance comparisons across investments where time horizon is the same or you do not need an annualized view. | Discount a future cash amount back to today's value using PV = FV / (1 + r)ᵗ. The foundation of every cash-flow valuation in finance — bonds, equities, projects, real estate, insurance, and any decision that trades current money against future money. |