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? Address Thank you! Oops! Related Contents Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Get Paid for Going Green Those looking into environmentally minded home modifications may get a boost from Uncle Sam’s tax incentives. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.