FinanceFormula-based · Runs in your browser

Inflation Calculator

Estimate future cost, purchasing power, and cumulative inflation.

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Inputs

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$
Required
%
Required

Result

Updates as valid inputs change.

Calculated locally
Future cost
Future purchasing power of current amount
Cumulative inflation
Purchasing power lost

Saved locally, explained clearly

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Calculation steps

Follow what happened from the selected formula to the displayed answer.

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  1. 1

    Formula selected

    The calculator uses the following formula or method.

    Future cost = current amount × (1 + inflation rate)ʸᵉᵃʳˢ

  2. 2

    Values entered

    Your values are placed into the calculation.

    Enter values to see what is used in this step.

  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

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Data and privacy

How it works

The selected inflation rate compounds once per year. Purchasing power applies the same factor in reverse.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

3
  • ?amount= Current amount

    Money · Required · Default: 1,000

  • ?annualInflation= Annual inflation

    Percentage · Required · Default: 3

  • ?years= Years

    Number · Required · Default: 10

Outputs

4
  • futureCost Future cost

    Currency · Primary output

  • purchasingPower Future purchasing power of current amount

    Currency

  • cumulativeInflation Cumulative inflation

    Percentage

  • purchasingPowerLost Purchasing power lost

    Currency

Limits

Real inflation varies by year and by product.

Sources
  • No external reference is listed for this calculator. Its formula and variable definitions are shown above.
Limitations
  • Estimates use the rates, timing, and assumptions entered. Fees, taxes, lender rules, and future changes are included only where explicitly shown.