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 vs. International: What’s the Difference? International funds invest in non-U.S. markets, while global funds may invest in U.S. stocks alongside non-U.S. stocks. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. A House Divided By understanding a few key concepts during a divorce, you may be able to avoid common pitfalls.