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 Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way.