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 Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up. Managing Money as a Couple Keys to preparing to grow wealthy together. Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs.