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Inflation Calculator

See what an amount of money is worth after inflation over any period.

To calculate the effect of inflation, enter an amount, two years and an average annual inflation rate. The result shows the equivalent value in the later year, the cumulative inflation over the period, and how much purchasing power was lost.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Why is my result different from an official inflation calculator?

This uses a single average rate you supply. Official calculators use the actual month-by-month CPI series, which varies considerably — a 3% average hides years of 0% and years of 9%.

How to use the inflation calculator

  1. 1Set the amount.
  2. 2Set the average annual inflation.
  3. 3Set the from year.
  4. 4Set the to year.
  5. 5The result appears immediately — copy or download it.

Embed this tool

Put the working inflation calculator on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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