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 Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.