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 Retiring Earlier Than Expected? What To Know Retiring earlier than expected can be disheartening. Learn steps that can help you smoothe the road ahead. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile.