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 The History of Currency Currency has been around for a long time. Here’s a quick history lesson. When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.