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 U.S. Personal Savings Rate What can be learned from the savings rate? Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives.