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 A Brief Guide To Condo Insurance Important items to consider when purchasing condo insurance. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Tax Efficiency in Retirement What role would taxes play in your investment decisions?