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 Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds.