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 Avoiding Cognitive Decline Try these activities to keep your brain sharp. Infographic: Women Are Financially Savvy Women are financially savvy. Yet, there are still unique challenges working against women in retirement. What Does That Mean? IDK Financial acronyms you should know.