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 Can Group, Private Disability Policies Work Together? Loss of income from disability has the potential to cause financial hardship. Disability insurance can help. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference?