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 Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Helpful Retirement Strategies for Women Learn how to address the challenges that women face when planning for retirement.