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. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles.