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 Question Thank you! Oops! Related Content A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers.