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 Question Thank you! Oops! Related Content How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. How Interest Rates Affect Everything This is a good infographic to use, and reuse, whenever the benchmark interest rate goes up.