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 Question Thank you! Oops! Related Content Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.