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 Managing Money as a Couple Keys to preparing to grow wealthy together. Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs.