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 Question Thank you! Oops! Related Content Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds.