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Inflation Calculator

Calculate how inflation affects purchasing power. See what money from any year since 1913 is worth today using historical CPI data.

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Inflation Parameters

Results

$100.00 in 2000 is equivalent to

$189.14

in 2026

Cumulative Inflation

+89.14%

Avg Annual Rate

2.48%

Purchasing Power Change

-47.13%

Years

26

What this means: Something that cost $100.00 in 2000 would cost $189.14 in 2026. Your dollar lost 47.1% of its purchasing power over this 26-year period.
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How to Use Inflation Calculator

  1. 1

    Enter an amount

    Enter the dollar amount you want to adjust for inflation.

  2. 2

    Select start year

    Choose the year your amount is from (as far back as 1913).

  3. 3

    Select end year

    Choose the year you want to compare to.

  4. 4

    View results

    See the equivalent value, cumulative inflation rate, and average annual inflation rate.

Frequently Asked Questions

This calculator uses the Consumer Price Index for All Urban Consumers (CPI-U) published by the Bureau of Labor Statistics. CPI-U is the most widely cited measure of inflation in the United States.

The Consumer Price Index (CPI) measures the average change in prices paid by urban consumers for a basket of goods and services. It's the standard gauge for inflation in the U.S.

The calculator uses official annual average CPI values. It provides a good approximation of how purchasing power has changed. Individual experiences may vary based on spending patterns.

The long-term average in the U.S. is roughly 3% per year, but it varies significantly. Recent years (2021-2023) saw higher inflation, while the 2010s were below average.