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 Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Choices for Your 401(k) at a Former Employer Individuals have three basic choices with the 401(k) account they accrued at a previous employer.