Inflation Calculator

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About This Tool

The Inflation Calculator shows how the purchasing power of money changes over time using historical US CPI-U data from the Bureau of Labor Statistics. Enter an amount, select a base year and target year, and instantly see the inflation-adjusted equivalent value.

How to Use

  1. Enter the Amount you want to adjust (default: $1,000).
  2. Select the Base Year — the year your amount is in.
  3. Select the Target Year — the year you want to compare to.
  4. Click Calculate to see the inflation-adjusted value, cumulative inflation, and purchasing power change.

Why Choose OmniTools?

⚡ Instant Results

Zero server lag. All calculations run locally on your device for maximum speed.

🛡️ 100% Private

Your data never leaves your device. No uploads, no servers, no tracking.

Frequently Asked Questions

How is inflation calculated?

Inflation is calculated using the Consumer Price Index (CPI). The formula compares the CPI of two different years to determine how much purchasing power has changed over that period.

Why do past and future years use different methods?

Past years use actual historical CPI data from the Bureau of Labor Statistics, ensuring accuracy. Future years beyond 2025 use a projected average inflation rate of 3.5%, which are estimates.

Is this inflation calculator exact?

For historical periods, the calculator uses actual CPI data and is mathematically exact. For future years, values are estimates based on a projected average inflation rate.

Is this calculator free?

Yes, completely free with no sign-up required. All calculations run in your browser.

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