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 Infographic: 2019 Taxes by the Numbers Here are the official tax numbers for 2019. Take the Stage: Planning for All Types of Families What is a family? In the 1950s, the notion of the nuclear family predominated: Mom, dad and their biological children. Today, things are different. The term “family” embraces everything from... Tax-Advantaged Retirement Planning Reduce your tax liability in retirement.