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 Insurance Options for Business Succession Planning Business owners with the desire to see their businesses continue after they are no longer involved need to plan quite carefully. Building Your Legacy A four-step framework for building a personal legacy. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.