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 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases.