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Hawaii income tax cut calculator

Enter your tax information below to see how Hawaii’s historic income tax cut will affect you.

This calculator works for only taxpayers claiming the standard deduction. Taxpayers who itemize their deductions might see smaller savings. 

Originally created by the Hawaii Department of Taxation, the calculator estimates how much taxpayers will save as a result of HB2404, which was approved unanimously by the Legislature, signed into law by Gov. Josh Green. It applies to income earned starting Jan. 1, 2024. 

The new law increased the standard deduction for people filing jointly, single or as a head of household, and will gradually expand the sizes of each of the tax brackets, meaning that all taxpayers will see more of their income taxed at lower rates. 

To read more about how the bill works, read the Department of Taxation’s blog here.

Input your information here

gross income
Input your Hawaii adjusted gross income
$
tax filing status
Select your tax filing status
number of dependants
Do not include your partner or spouse if selecting married

Estimated tax changes by year

phased tax cut
year existing tax law 2024 2025 2026 2027 2028 2029 2030 2031

Your savings by the stats

In 2031, your annual after-tax income is estimated to increase by
Between 2024 and 2031, tax laws changes are estimated to increase your take-home income by
Total tax liability reduction

Estimated changes to tax liability & after tax income

existing tax law
2024
2025
2026
2027
2028
2029
2030
2031
tax saving
income tax owed

Thanks to our supporters, we have achieved historic tax cuts on income and healthcare services, helped implement zoning reform to make housing more affordable and abundant, and much more.

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