Formula guide

Inflation Calculator formula

The calculator applies the annual inflation rate to the starting amount over the selected time period. This estimates how much a future cost may rise or how much purchasing power a current amount could lose over time.

How the input values are used

Amount today (USD)

The numeric value in USD is used in the calculation; keep units consistent.

Annual inflation rate (%)

The numeric value in % is used in the calculation; keep units consistent.

Years

The numeric value is used in the calculation; keep units consistent.

How to interpret the result

  • The result uses Amount today (USD) and Annual inflation rate (%). Change one variable at a time to compare its effect on the outcome.
  • Check whether relevant fees, taxes, and timing assumptions are included before using the estimate.
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