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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Grantor Retained Annuity Trusts (GRATs) Explaining Grantor Retained Annuity Trusts (GRATs) and their benefit to estate strategy. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. Universal Life Insurance Universal life insurance is permanent insurance with a flexible premium. Here's how it works.