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 8 Financial Lessons from the Big (and Little) Screen Financial lessons from movies and TV. Preparing the Future Generation Discover why we need to plan the future for future generations today. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.