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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Bulletproofing Your Business Small businesses are at risk when they lose a key employee. Here’s how you can protect yourself. Don’t Let Bad Financial Habits Haunt Your Retirement When it comes to retirement, some people can quit working and fall immediately into good money habits that they’ve practiced for years.