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 Ask a Financial Professional: Successful Entrepreneurs Learn more about business finance from Travis Scribner of WestPac. Thanks Mom It turns out Mom really did know best when she laid down essential truths to live by. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns.