Inflation Calculator
Calculate the impact of inflation on purchasing power over time.
Last reviewed by the Radiatus Cloud team
Inflation Calculator
Calculate the impact of inflation on purchasing power over time.
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See how inflation erodes value
Inflation reduces what money can buy over time, and understanding its effect matters for planning and perspective. This calculator shows the impact of inflation on purchasing power, so you can see what an amount is really worth across years.
Why inflation compounds
Inflation is a rate, and like interest it compounds: a few percent a year seems small, but over a decade or two it substantially erodes purchasing power, because each year’s inflation applies to an already-reduced value. This is why a salary that does not keep pace with inflation is effectively a pay cut, and why money kept as cash loses value quietly over time. Seeing the compounded effect, what a sum today would need to be in the future to buy the same things, makes an abstract rate concrete and informs decisions about saving, investing and pricing.
A planning estimate
This is an estimate for planning from the figures you enter, not financial or business advice. Real outcomes depend on factors beyond any single calculation, so treat the result as a guide. The calculation runs entirely in your browser, so your figures are never uploaded and stay on your own machine, which matters for business numbers you would not want to share.
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Frequently Asked Questions
How does inflation reduce purchasing power?
By raising prices over time, so the same money buys less. It compounds, so a modest annual rate substantially erodes value over a decade or two.
Why does inflation compound?
Because each year’s inflation applies to an already-increased price level, so the effect accelerates, like compound interest working against you.
Why does a static salary lose value?
Because if pay does not rise with inflation, it buys less each year, which is effectively a pay cut even though the number is unchanged.
What does the calculator show?
What an amount is worth in purchasing power across years, making the compounded erosion concrete for planning and perspective.
Is my data uploaded?
No. The calculation runs entirely in your browser.
Privacy & Security
Local calculation.
About This Tool
This tool runs entirely in your browser. No data is sent to any server, ensuring complete privacy. Simply use the interface above to get started — no registration or login required.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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