Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

ROI Calculator

Calculate the percentage return on an investment as (Final Value − Initial Investment) / Initial Investment × 100. The most widely used single-number measure for comparing investments, projects, or campaigns of different sizes on a common percentage basis.

Initial Investment ($)

Final Value ($)

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.

Future Value ($)

Discount Rate (%)

Number of Periods (years)

Fill in the required fields to see your result.

Key differences

	ROI Calculator	Present Value Calculator
Category	Economics	Economics
Inputs required	2	3
Result	Return on Investment (%)	Present Value ($)
What it does	Calculate the percentage return on an investment as (Final Value − Initial Investment) / Initial Investment × 100. The most widely used single-number measure for comparing investments, projects, or campaigns of different sizes on a common percentage basis.	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.