A head of household has taxable income of $90,000 What is the federal income tax they owe?

Using the 2023 tax brackets for a head of household, the first $15,700 is taxed at 10% ($1,570), and the next $44,150, up to $59,850, is taxed at 12% ($5,298). The remaining $30,150 of the $90,000 is taxed at 22% ($6,633). Adding those amounts gives $13,501, so the federal income tax is $13,501.

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