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 Does Your Credit Score Affect Your Insurance Rates? Your credit score may influence how much you pay for auto and home insurance. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Infographic: Top Tip for Tipping Do you really have to tip 25% on a $5 coffee? What about your ride-share driver? Learn from the experts.