Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. When the Unexpected Becomes Reality Disability happens to more people, more often than you may think, and it lasts longer, too. Recognizing the Challenges of Custodial Care The goal for most, when planning for retirement, is to ensure financial independence and never run out of money.