Our free US Inflation Calculator allows you to calculate how inflation affects the value of money over time. Using official Consumer Price Index (CPI) data, you can compare the purchasing power of the US dollar between any two months from 1920 to 2026.
This tool helps you determine inflation-adjusted value, measure changes in purchasing power, and understand how historical inflation impacts savings, salaries, and investments.
Inflation measures the rate at which prices increase over time. As inflation rises, the purchasing power of money decreases. This means the same dollar amount buys fewer goods and services in the future.
The Consumer Price Index (CPI) is a measure published by the U.S. Bureau of Labor Statistics that tracks changes in the average prices paid by consumers for goods and services.
If $100 in 1950 equals $1,200 today, inflation has significantly reduced purchasing power over time. This calculator shows exact inflation-adjusted values instantly.
Inflation is the rate at which the general level of prices for goods and services rises over time.
Inflation is typically measured using the Consumer Price Index (CPI), which tracks price changes across a basket of goods and services.
Yes, this calculator uses historical US CPI data to compute accurate inflation-adjusted values.
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