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. Related Content FIRE Retirement This short, informative article teaches the basics of the FIRE movement. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income?