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 Building Your Legacy A four-step framework for building a personal legacy. Protecting Your Home Against Flood Loss Protect yourself against the damage that your homeowners policy doesn’t cover. How Helping Charities Helps You Donation is on people’s minds around tax season.