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 Saving for College This calculator can help you estimate how much you should be saving for college. Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last. How Retirement Spending Changes With Time It can be difficult for clients to imagine how much they’ll spend in retirement. This short, insightful article is useful.