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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.