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 Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments. Gift Yourself a Debt-Free Holiday Here are some tips on how to have a holly, jolly and less stressful gift-giving season. Infographic: Risks at Retirement Make a plan to take these risks off the table.