Economic Education
Inflation Time Machine
What was $100 worth the year you were born? Use official CPI data to calculate purchasing power changes over the last century.
Time Machine Parameters
Enter a value and a year range.
1990
2024
Buying Power Conversion
$100 in 19902024 Equivalent
$240.32
Cumulative Inflation: 140.3%
Value Trajectory
How Inflation Works
Inflation represents the rate at which the general level of prices for goods and services is rising. As inflation rises, every dollar you own buys a smaller percentage of a good or service.
About the Data
This calculator uses the Consumer Price Index for All Urban Consumers (CPI-U), provided by the U.S. Bureau of Labor Statistics (BLS). It is the most widely used measure of inflation in the United States.
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