Montana State Tax Calculator


Montana State Tax Calculator (Federal & State)

State Tax Calculator [2018 Tax Tables]
Tax Year2018

Salary (USD)



The Federal tax rates have been updated to the 2017 forecast tax tables and the tax calculator now uses the 2017 tax tables as default. To calculator your 2018/2019 tax return, please select the 2018/2019 tax year. The tax calculator will continue to use the 2018/2019 State tax tables until confirmation of 2017 tax tables is published. If you have information on the 2017 State tax tables, please contact us and we will update accordingly.

Montana State Tax Calculator

The California tax calculator is updated for the 2018/19 tax year. This tax calculator performs as a standalone State Tax calculator for California, it does not take into account federal taxes, medicare decustions et al.
The California tax calculator is designed to provide a simple illlustration of the state income tax due in California, to view a comprehensive tax illustration which includes federal tax, medicare, state tax, standard/itemised deductions (and more), please use the main 2018/19 tax calculator.

Calculating Montana State Tax

  • Enter your annual income.
  • Press Calculate to see your Montana State tax and take home breakdown including Federal Tax deductions

The Montana State State Tax calculator is updated to include the latest Federal tax rates for 2015-16 tax year as published by the IRS.
The Montana State State Tax calculator is updated to include the latest State tax rates for 2018/2019 tax year and will be update to the 2019/2020 State Tax Tables once fully published as published by the various States.

Updates to the Montana State State Tax Calculator

  • Selectable Tax year
  • Updated to include 2018/2019 Federal tax rates
  • Updated to apply Medicare and Social Security deductions as Pre-Federal Tax calculation

The Montana State State tax calculator is as good as the feedback, your support, requests and bug catches help to improve the accuracy of the tax calculator for all.
This Montana State State tax calculator aims to balance ease of use with transparency of tax calculation but is provided for illustration only. Remember that you should always seek professional advice and audit your State and Federal tax returns.