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 When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial? How Big is Money? Learn a little about worldwide currency in this fun infographic Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education.