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 Money that Buys Good Health is Never Ill Spent It's important to make sure your retirement strategy anticipates health-care expenses. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money.