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. Related Content The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. Earnings for All Seasons Earnings season can move markets. What is it and why is it important?