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 Potential Income from an IRA Estimate your monthly and annual income from various IRA types. How Growing a Business is Like Raising a Child Careful and considered planning can help you nurture your business through its lifecycle into an independent enterprise. The Importance of Beneficiary Designations Beneficiary designations allow assets to pass directly to whomever you designate thus by-passing the costs and time involved with the probate process.