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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Helpful Retirement Strategies for Women Learn how to address the challenges that women face when planning for retirement. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.