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 Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement.