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 Rightsizing for Retirement What does your home really cost? Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. Retirement Seen Through Your Eyes What's your vision of retirement?