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 Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy.