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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Problems with Probate Probate can be a completely public process, or it can be managed to include as little information as possible. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program.