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 Debt Stress There’s a link between debt and stress. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.