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 To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.