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Inflation & Purchasing Power Calculator

What will your money be worth in a few years? Calculate the loss of purchasing power and how much you’ll need later for the same value — in dollars.

Examples $50k over 20 yrsHigh inflation 5%$100k over 30 yrs

Kaufkraft

$7,440.94

in 10 Jahren

Kaufkraftverlust
$2,559.06
Für gleiche Kaufkraft nötig
$13,439.16

Key facts

  • Example: $10,000 loses about $2,559 in purchasing power at 3% inflation over 10 years — $7,441 remains in real terms.
  • Over long horizons inflation bites hard: at 3% $50,000 shrinks to about $27,684 in real terms over 20 years — over 40% gone.
  • To preserve $10,000 of purchasing power over 10 years at 3%, your investment must turn it into about $13,439 — anything less is a real loss.

FAQ

How is the loss of purchasing power calculated?
The amount is divided by the inflation factor (1 + rate) to the power of years. Example: $10,000 at 3% over 10 years still has the purchasing power of about $7,441 in today’s money — roughly $2,559 is lost to inflation.
How much will I need later for the same purchasing power?
For that the amount is multiplied by the inflation factor. Today’s $10,000 becomes about $13,439 at 3% over 10 years, which you’d then need for the same goods. That value is shown in the result.
Which inflation rate should I use?
The default is 3% — the long-run US average per the BLS CPI. The Fed targets 2%; in some years the rate ran much higher. For cautious planning use 2–3%, for a stress scenario more.

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