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 Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Will It Pay to Buy Travel Insurance This Summer? While protection is never a bad thing, you want to make sure the value of the coverage outweighs the added cost.