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 Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices. Life Insurance Myths: Debunked Whether you have life insurance through your work or are retired it pays to know the truth about life insurance coverage. Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle.