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 Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.