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 Message Thank you! Oops! Related Content Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio.