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 Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” The History of Currency Currency has been around for a long time. Here’s a quick history lesson. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?