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 Question Thank you! Oops! Related Content Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. Commitment and Money Conversations Talking about money isn’t as scary as it seems. Five Ways to Help Make Your Money Last Longer Americans are living longer. But will your money keep pace? Discover retirement planning strategies to keep you covered.