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 Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms. Understanding the Alternate Valuation Date Executors can value the estate on the date of death, or on its six-month anniversary —the “Alternate Valuation Date."