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 Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles.