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 Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Working With A Financial Professional A financial professional is an invaluable resource to help you untangle the complexities of whatever life throws at you. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds.