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 What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.