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 Question Thank you! Oops! Related Content Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock. The History of Currency Currency has been around for a long time. Here’s a quick history lesson.