Tax Forecast app helps you estimate tax on your Capital Gain.
Before you sell and realize profit / loss, use the app to get an overview of your taxable component.
Just pretend like you sold an investment in less than a year and compare against the same investment if you hold it long term. Tax Forecast app provides you a beautiful interface to add rest of your investments with these 2 ideas and show you total tax.
Use apps chart view to see the tax percentage split on your long term and short term gain.