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 Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability.