Inflation Calculator

Inflation Calculator with U.S. CPI Data

Calculates the equivalent value of the U.S. dollar in any month from 1913 to 2026. Calculations are based on the average Consumer Price Index (CPI-U) for all urban consumers.

$ in = ? in

Example

Sample: $100 in 2016 (Average) valued in July 2026.

This is a sample result, not your calculation. Enter your own values to replace it.

Enter an amount and choose two periods, then calculate.

Equivalent value

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Check your entries

Enter an amount and choose two periods the index covers.

Forward Flat Rate Inflation Calculator

Calculates an inflation based on a certain average inflation rate after some years.

$ with inflation rate % after years = ?

Example

Sample: $100 at 3% a year after 10 years.

This is a sample result, not your calculation. Enter your own values to replace it.

Enter an amount, a rate and a number of years, then calculate.

Equivalent value

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Enter an amount, a rate above -100% and a number of years.

Backward Flat Rate Inflation Calculator

Calculates the equivalent purchasing power of an amount some years ago based on a certain average inflation rate.

$ with inflation rate % = ? years ago

Example

Sample: $100 at 3% a year, 10 years ago.

This is a sample result, not your calculation. Enter your own values to replace it.

Enter an amount, a rate and a number of years, then calculate.

Equivalent value

—

Enter an amount, a rate above -100% and a number of years.