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2018 federal income tax calculator

Click here for a 2018 Federal Tax Refund Estimator.

Taxes are unavoidable and without planning, the annual tax liability can be very uncertain. Use the following calculator to help determine your estimated tax liability along with your average and marginal tax rates.

Calculate and compare how your how your tax bill might change in 2018 under the new Tax Cuts and Jobs Act (H.R.1) recently signed into law by President Trump, and look further at the changes in 2018 to the federal income tax brackets and rates.

Personal Tax Information

Business/Self-Employed Income


Based upon the information you provided, it appears that your estimated federal income tax liability will be approximately $61,309. Your effective tax rate is 18.0% and your marginal tax rate is 32.0%.

Further Resources

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Summary Table

Estimated Tax Analysis
Gross income
(subject to personal rates)
Taxable Pass-Through Income+$0
Qualified plan contributions-$0
Adjusted gross income=$340,000
Standard/Itemized deductions-$24,000
Taxable income=$316,000
Tax liability before credits
(includes taxes on pass-through income)
Child tax credits-$4,000
Family tax credits-$0
Estimated tax liability=$61,309


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This information may help you analyze your financial needs. It is based on information and assumptions provided by you regarding your goals, expectations and financial situation. The calculations do not infer that the company assumes any fiduciary duties. The calculations provided should not be construed as financial, legal or tax advice. In addition, such information should not be relied upon as the only source of information. This information is supplied from sources we believe to be reliable but we cannot guarantee its accuracy. Hypothetical illustrations may provide historical or current performance information. Past performance does not guarantee nor indicate future results.