Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. 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 Taxes Estimate how much of your Social Security benefit may be considered taxable. Mastering Mobile Lingo Do you understand these common mobile slang terms? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.