Inflation & Purchasing Power Calculator

Calculate how inflation erodes purchasing power and what future expenses will cost.

Tool Guide

Inflation & Purchasing Power Calculator: What It Does

Calculates the erosion of purchasing power over time using historical and projected inflation rates. It estimates how much future money is required to equal current value, or discounts past amounts.

Example

Input
Amount: 1,000, Rate: 5%, Years: 10
Output
Future Equivalent: 1,628.89, Purchasing Power: 613.91

Compounds inflation forward to calculate required future purchasing power.

How to Use

  1. Enter starting amount, expected inflation rate, and duration in years.
  2. Review future required capital to match current purchasing power.
  3. Inspect the real value decay chart across the selected timeline.

Limitations

  • Assumes a steady annual inflation rate; real economic cycles experience variable inflation.
  • Different expense categories (e.g. healthcare, education) inflate faster than the overall CPI index.

Frequently Asked Questions

What is the Rule of 72 in the context of inflation?

Dividing 72 by the inflation rate gives the approximate number of years it will take for your money's purchasing power to be cut in half.

How is purchasing power calculated from future value?

Purchasing Power = Amount / (1 + r)^n, where r is the annual inflation rate and n is the number of elapsed years.

Inputs stay in browser memory. No external request is required for this operation, and zero data leaves your device.