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 Question Thank you! Oops! Related Content How Income Taxes Work A quick look at how federal income taxes work. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Healthcare Costs in Retirement Without a solid approach, health care expenses may add up quickly and potentially alter your spending.