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

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)

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Economics

Inflation Rate Calculator

Compute the percentage change between two Consumer Price Index values, the standard measure of inflation between any two time periods. Returns a percentage that can be positive (inflation) or negative (deflation).

Initial CPI

Final CPI

Fill in the required fields to see your result.

Key differences

	Present Value Calculator	Inflation Rate Calculator
Category	Economics	Economics
Inputs required	3	2
Result	Present Value ($)	Inflation Rate (%)
What it does	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.	Compute the percentage change between two Consumer Price Index values, the standard measure of inflation between any two time periods. Returns a percentage that can be positive (inflation) or negative (deflation).