# Inflation Calculator

This inflation calculator computes the change in buying power over time. You can choose to calculate inflation based on U.S. CPI data or provide an average annual rate for the calculation. If the second year is later than the first year, it is a forward calculation. Otherwise, it is a backward calculation. To use the calculator, please provide the monetary amount, the relevant years, select/fill in the desired inflation data, then click the "Calculate" button.