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 When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. 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.