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 Choices for Your 401(k) at a Former Employer Individuals have three basic choices with the 401(k) account they accrued at a previous employer. Tax-Loss Harvesting: A Tax Strategy to Consider Not every investment will be a winner, but a strategy called tax-loss harvesting can potentially lower your tax bill. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.