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 When Do You Need a Will? When do you need a will? The answer is easy: Right Now. The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.