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 You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route.