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 Is a Variable Annuity Right for Me? Pundits go on and on about how “terrible” or “wonderful” annuities are, but they never talk about whether annuities are right. Retirement Savings Essentials in your 30s Your 30s are the best time to set yourself up for retirement savings success. Here are strategies to help you. Financial Hacks for Millennials: Values-Based Investing Millennials can opt to follow a values-based investing strategy to invest their money in conscientious ways.