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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 CalculatorPresent Value Calculator
CategoryInvestingEconomics
Inputs required23
ResultReturn on Investment (%)Present Value ($)
What it doesCalculate 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.