US demand
Inflation Calculator
Estimate future cost, future buying power, and inflation impact on a current amount over time.
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Everyday personal finance intent
Interactive calculator
Estimate the effect of inflation on money
See how much a current amount may need to grow in the future to keep the same purchasing power.
Visual breakdown
How inflation erodes today's money
This comparison shows how much of today's amount remains as real purchasing power after the inflation assumption is applied.
Retained buying power
$70,892
70.9% of total
Inflation impact
$29,108
29.1% of total
Results
Future cost
$141,060
What the same spending power could cost in the future.
Future buying power
$70,892
What today's amount may effectively feel like later.
Buying power lost
$29,108
How to use it
- 01Enter the amount you want to evaluate in today's dollars.
- 02Set an annual inflation assumption and the number of years ahead.
- 03Review the future cost equivalent, projected buying power, and the inflation impact on your money.
Result guide
- Future cost estimates what you may need later to match today's spending power.
- Future buying power shows what the same nominal amount may effectively feel like after inflation.
- This is a planning model, so the output depends heavily on the inflation assumption you choose.
Why this page matters
Inflation calculators matter because people routinely compare today's money with future needs when planning savings, retirement, education, or long-term purchases.
A useful page should show both directions of the problem: how much more something may cost later, and how much buying power a fixed amount may lose over time.
Frequently asked questions
Why show both future cost and future buying power?
Because one answers how much more money you may need later, while the other shows how much real value a fixed amount may lose.
Is this the same as an investment return calculator?
No. It models price inflation and purchasing power, not market growth on invested money.
Can I use this for retirement planning?
Yes. Inflation assumptions are one of the most important inputs in retirement spending projections.
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