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 | Related Content The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Mortgages in Retirement Explore the benefits and drawbacks to paying off your mortgage prior to retirement with this article. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.