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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Take the Stage: Starting Out Start planning for their financial futures by following a few helpful guidelines. The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time.