Skip to content
Calculator Tools
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.

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

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.

Purchasing Power 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%