Inflation Calculator
Adjust an amount for inflation and find its real purchasing power.
$100.00 in 1980 equals
$381.31
in 2024 dollars
+281.31%
Total Inflation
+3.09%/yr
Avg Annual Rate
3.813×
CPI Ratio
Purchasing Power of $100 (1980–2024)
Data Source
U.S. Bureau of Labor Statistics (BLS) CPI-U — All Urban Consumers, All Items. Annual averages 1913–2024. The 2024 figure is an approximation.
InflationCPIPurchasing PowerEconomicsFinance
Adjust any dollar amount for inflation using official U.S. CPI-U data from 1913 to 2024 — see the real purchasing power and a year-by-year line chart.
Key Features
Historical CPI Data
Embeds BLS CPI-U annual averages from 1913 to 2024 — fully offline, no API calls needed.
Adjusted Amount
Converts the original amount using: Adjusted = Original × (CPI_target / CPI_from).
Inflation Statistics
Shows total cumulative inflation %, average annual rate, and the raw CPI ratio between the two years.
Line Chart
Plots the purchasing-power-equivalent value of your amount from the start year to the end year.
How to Use
- 1Enter an amount in dollars.
- 2Select the starting year (the year your amount is from).
- 3Select the target year (the year you want to convert to).
- 4The adjusted value, stats, and chart appear instantly.