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 Near 60? Get a Financial Check-Up Even the savviest and most experienced among us need financial planning check-ins. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you. What Is a 1035 Exchange? 1035 exchanges provide a way to trade-in an annuity contract or life insurance policy without triggering a tax liability.