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 Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Rebalancing Your Portfolio Over time, different investments' performances can shift a portfolio’s intent and risk profile. Rebalancing may be critical. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.