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 Message Thank you! Oops! Related Content Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Do You Owe The AMT? If you want to avoid potential surprises at tax time, it may make sense to know where you stand when it comes to the AMT. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever.