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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Understanding the SECURE Act 2.0 A timeline covering a few of the major provisions of the SECURE Act 2.0. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance.