Finance

Inflation Calculator

Adjust historical prices to today's dollars using US CPI data (1913–2026), or project future purchasing power with a custom inflation rate.

USD

Why inflation matters

$100 in 1990 has the purchasing power of about $235 today. Over 30+ years your money loses more than half its value at average US inflation. Long-term savers need real returns (above inflation) to actually grow wealth.

Beat inflation with

  • Stocks — historically 7% real return
  • Real estate — cash flow + appreciation
  • TIPS (Treasury Inflation-Protected Securities)
  • I-Bonds — currently up to 5%+ with inflation adjustments

Frequently asked questions

What is CPI?

Consumer Price Index — tracks prices of a typical basket of goods (BLS).

Normal inflation?

Fed targets 2%. US historical average ~3.5% since 1913.

$1 in 1990 in 2024?

~$2.30 in today's purchasing power.