My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How to Make Smart Debt Decisions Making smarter decisions about debt can help you reduce stress. Making a Charitable Contribution There are benefits and limitations when you decide to donate stock. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.