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. Related Content Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Do Your Kids Know The Value of a Silver Spoon? You taught them how to read and how to ride a bike, but have you taught your children how to manage money? Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.