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 Managing Money as a Couple Keys to preparing to grow wealthy together. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy.