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 The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. The Best of Both Worlds Here are a few reasons we’ve chosen to be independent. Why An Annuity May Be Key to Your Retirement Plan If you’re looking for a way to supplement your income in retirement, an annuity may be for you.