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 Message Thank you! Oops! Related Content Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more. How Big is Money? Learn a little about worldwide currency in this fun infographic Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them.