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Convert dollar values between years with US CPI data or a custom inflation rate.
Equivalent value in 2025
$187.17
$100 in 2000 has the same buying power as $187.17 in 2025.
Total price change
+87.17%
Avg. annual inflation
2.54%
over 25 years
Cumulative buying-power loss
46.57%
$1 from 2000 buys what $0.53 buys in 2025
CPI-U 2000: 172.2 → CPI-U 2025: 322.3
US CPI-U annual averages (1982–84 = 100), source: US Bureau of Labor Statistics. The 2025 value is approximate. Historical comparisons are estimates — CPI methodology has changed over time.
See what money from the past is worth today. Calculate inflation between any two years from 1913 to 2025 using real US CPI-U annual averages from the BLS, or model any scenario with a custom annual inflation rate over a number of years. Shows the equivalent amount, total percentage change, average annual inflation and cumulative buying-power loss. Runs entirely in your browser.
This tool allows users to quickly convert dollar values between any two years from 1913 to 2025 using official US CPI-U annual averages, or model custom inflation rates. Operating entirely within the browser, it requires no installation, signup, or software downloads. It provides essential metrics including equivalent value, total percentage change, average annual inflation, and cumulative purchasing-power loss.
Good to know: This tool is designed specifically for US historical data and general inflation modeling, meaning it does not handle multi-currency foreign exchange conversions or real-time daily CPI updates.
Calculate historical dollar value changes and purchasing power over time using official US CPI data or custom inflation rates.
Open the inflation calculator tool
Navigate to the Inflation Calculator to begin evaluating dollar values over time directly in your browser.
Enter your starting dollar amount
Input the specific monetary value from the past or present that you wish to convert.
Select your calculation method
Choose between using real US CPI-U annual averages from 1913 to 2025 or modeling with a custom annual inflation rate.
Set the target years or duration
Specify the two comparison years or the number of years for your custom inflation scenario.
Review your inflation results
View the equivalent dollar amount, total percentage change, average annual inflation, and cumulative buying-power loss.
Estimated time: PT1M
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