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 Important Birthdays Over 50 Here's a look at several birthdays and “half-birthdays” that have implications regarding your retirement income. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money and give you peace of mind.