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 Choose Your Own Retirement Adventure Retirement is one of the greatest adventures you’ll have. Which retirement adventure will you choose? Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan? Financial Strategies for Women Some may leave their future to chance but in the world of finance, the effects of the "confidence gap" can be apparent.