Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.