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 Question Thank you! Oops! Related Content What Smart Investors Know Savvy investors take the time to separate emotion from fact. Avoiding Cognitive Decline Try these activities to keep your brain sharp. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.