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 Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.