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 Women and Financial Strategies Most women don’t shy away from the day-to-day financial decisions, but some may be leaving their future to chance. Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up. How Income Taxes Work A quick look at how federal income taxes work.