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 Medicare Advantage Plans (Medicare Part C) Medicare Part C allows you to choose a Medicare Advantage plan. This article will help you decide if it's right for you. The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.