A constant-rate scenario, not a forecast. Actual prices do not rise evenly.
Calculation details
Planning estimate only, not financial, tax, or legal advice. Verify assumptions and current rules before making decisions.
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What does this calculator estimate?
Inflation calculator: see how rising prices shrink purchasing power and what goods will cost in the future at your chosen rate. Free, runs in your browser.
How this calculator works
Formula
Future cost = current amount × (1 + annual inflation rate)^years. Future purchasing power divides the current amount by the same cumulative factor.
Worked example
$1,000 with constant 3% annual inflation for 10 years corresponds to about $1,343.92 in future cost and about $744.09 of future purchasing power.
Assumptions to verify
- The entered inflation rate remains constant for the entire period.
- The model describes a general price-level scenario; individual goods can move differently.
- Taxes, investment returns, income growth, and currency changes are excluded.
Frequently asked questions
Is this an inflation forecast?
No. It is constant-rate scenario arithmetic using your assumption.
Why can my personal costs differ?
Households buy different baskets, and prices for individual goods do not move uniformly.
What does purchasing power mean here?
It is the amount of future goods the current sum could buy if the selected general price level compounded consistently.
Cite this tool
BoringToolsKit. “Inflation Impact Calculator.” boringtoolskit.com/inflation-impact-calculator/ (reviewed July 2026). Free to reference in articles, syllabi, and answer posts with a link.
Privacy: Inputs and results stay in this browser. Any future sponsored recommendation or advertisement will be clearly labeled and kept separate from the calculation.