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 How Big is Money? Learn a little about worldwide currency in this fun infographic Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years. The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route.