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Inflation Calculators

Purchasing Power Calculator

How much buying power your money loses to inflation over time — and what it will buy in today’s terms.

Enter values

Results update as you type.

Result

Value in today’s money

$55,526.45

Purchasing power lost
44.47%

About the Purchasing Power Calculator

How much buying power your money loses to inflation over time — and what it will buy in today’s terms.

Also known as: loss of purchasing power, money value erosion, real value of money.

How to use this calculator

  1. Enter amount, inflation rate, years.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Real value = amount ÷ (1 + inflation)ⁿ

Worked example

Using the values pre-filled in the calculator above:

  • Amount = 100,000
  • Inflation rate = 4 %
  • Years = 15

the calculator returns:

  • Value in today’s money: 55,526.45
  • Purchasing power lost: 44.47%