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 8 Financial Milestone Birthdays Get ready to celebrate your financial birthdays in this informative infographic. Choices for Your 401(k) at a Former Employer Individuals have three basic choices with the 401(k) account they accrued at a previous employer. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.