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 Rightsizing for Retirement What does your home really cost? Silver Sneakers 101 Medicare’s popular program, offering free gym membership and health education. To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications.