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. 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? Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio.