US tax calculator is a web calculator for quickly finding the tax on your total income. The purpose of this calculator to give you an idea about your tax liability so that you can plan for tax payments and filing taxes. The calculator will give you a quick tax idea for the tax year 2019 and the year 2020.
The methodology of IRS Tax Calculator
You need to select your filing status that actually determine the table of tax rate that apply to you.
The tax year has to be selected. So, if you want to compute the tax for 2019 for which the due date to file tax return falls on 15th April 2020, select Tax Year 2019. If you want to compute the tax for the year 2019 for which tax filing due date falls on 15th April 2021, select Tax Year 2020.