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 Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Pickleball in Retirement Learn about the latest sport to sweep the nation with this informative article.