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 Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look. Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time.