: Divide the Current Year CPI by the Base Year CPI.
If you prefer not to do the math manually, these resources provide ready-made calculators: wage buying power calculator
To find your wage's value in "constant dollars" (buying power), use this calculation: : Divide the Current Year CPI by the Base Year CPI
If you want to see if your current salary has kept up with the buying power you had in a "Base Year" (e.g., five years ago), follow these steps: five years ago)