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 Saving for College 101 Here’s a crash course on saving for college. 5 Keys to Fiscal Fitness These basic moves, if done consistently, can help ensure that you are fiscally fit both now and in the future. Managing an Inheritance A windfall from a loved one can be both rewarding and complicated.