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 Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter.