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 What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles.