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 Pay Yourself First It sounds simple, but paying yourself first can really pay off. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Uncommon Knowledge for Your Life See how The Living Balance Sheet® can help you tell financial fact from fiction, so you can achieve financial balance.