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 Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Your Emergency Fund: How Much Is Enough? Having an emergency fund may help alleviate the stress and worry associated with a financial crisis.