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 Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. A Bucket Plan to Go with Your Bucket List A bucket plan can help you be better prepared for a comfortable retirement.