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 Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be.