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 Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement.