How purchasing power is calculated
The calculator uses Future purchasing power = Current amount ÷ (1 + Inflation rate)Years. The drop percentage compares that inflation-adjusted value with the current amount.
Meaning
The result is expressed in today's purchasing-power terms, not a predicted account balance.
Inflation
One constant annual rate is compounded across the full period.
Scope
Different goods and services can experience inflation above or below the entered average.