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 Understanding the Alternate Valuation Date Executors can value the estate on the date of death, or on its six-month anniversary —the “Alternate Valuation Date." Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.