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 Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Investing for Impact Learn how to build a socially conscious investment portfolio and invest in your beliefs.