Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. 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 Message Thank you! Oops! Related Content How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.