A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. 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 Retiring Wild: National Parks and You Get ready to enjoy America’s national park system with this helpful article. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio.