Calculators

Inflation and Purchasing Power Calculator

Estimate future equivalent cost and the purchasing power of unchanged money.

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Hypothetical constant inflation, not historical data or a forecast. Negative rates above −100% are allowed. No interest earned on the fixed nominal amount.

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Help and method

Price multiplier = (1 + annual rate/100)^years. Equivalent future cost = amount × multiplier. Purchasing power = unchanged amount ÷ multiplier, expressed in today’s money. Fractional years use the same annual compounding formula.

BLS Methods and reliability

Worked example

An example you can try or adapt to your own values.

Currency: USD
Amount: 100
Manual annual inflation (%): 10
Years: 2

Result

Equivalent future cost: USD 121.00; Future purchasing power in today’s money: USD 82.64

Worked example

Result

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