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 Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. The Power of Compound Interest Learn how to harness the power of compound interest for your investments.