Inflation Calculator

Inflation Details

Amount

From Year

19132026

To Year

19132026

Or use custom inflation rate

Purchasing Power Results

equivalent in 2026

Total Inflation

Avg Annual Rate

Purchasing Power Lost

Power Retained

What $100 could buy then vs now

Cumulative Inflation by Decade

How to use the inflation calculator

Enter an amount

Type any dollar amount you want to adjust for inflation.

Select your years

Choose a from year and to year. The calculator uses historical US CPI data going back to 1913.

See the impact

See the equivalent amount in the target year, total inflation, average annual rate, and how much purchasing power was lost.

Frequently asked questions

What is inflation?

Inflation is the rate at which the general level of prices for goods and services rises over time, causing purchasing power to fall. The US Federal Reserve targets 2% annual inflation as a healthy level for the economy.

What data does this calculator use?

This calculator uses US Consumer Price Index (CPI) data, which measures the average change in prices paid by urban consumers for a basket of goods and services. CPI data is published by the Bureau of Labor Statistics.

Is this calculator free?

Yes — completely free with no account or signup required.

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How to use the inflation calculator

Enter an amount

Select your years

See the impact

Frequently asked questions