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 Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. If a Pipe Breaks Learn what to do when a pipe bursts with this helpful video flooded with smart tips. Side-by-Side: Insured vs. Uninsured Here's what happens if your small business has an accident and you're not insured.