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 Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Retiring Earlier Than Expected? What To Know Retiring earlier than expected can be disheartening. Learn steps that can help you smoothe the road ahead. Retirement Income and the Traditional Portfolio Experiencing negative returns early in retirement can potentially undermine the sustainability of your assets.