Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. 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 Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. The Basics of Medicare Learn all about Medicare basics in this informative and insightful article. The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time.