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 Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Spotting Credit Trouble The wise use of credit is a critical skill. These 10 questions will help you assess your skill level. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.