Roth conversion taxes in Hawaii (2026)
By Mario Bailey · Published · Last reviewed
Hawaii taxes Roth conversions as ordinary income at graduated rates up to 11%. A conversion adds to your state taxable income in the year you convert, on top of federal tax. The table below shows the computed Hawaii tax on a $50,000 conversion at three baseline income levels, using 2026 rates.
Computed example: $50,000 conversion
State tax only (federal not included), age 66, standard deduction, no other state adjustments. Computed with the same functions the calculator uses.
| Filing status | Baseline income | State tax without conversion | With $50,000 conversion | Tax on the conversion | Effective rate |
|---|---|---|---|---|---|
| Single | $40,000 | $1,648 | $5,397 | $3,749 | 7.5% |
| Single | $80,000 | $4,637 | $8,439 | $3,802 | 7.6% |
| Single | $150,000 | $10,019 | $14,041 | $4,022 | 8.0% |
| Married filing jointly | $40,000 | $708 | $4,013 | $3,305 | 6.6% |
| Married filing jointly | $80,000 | $3,296 | $6,994 | $3,698 | 7.4% |
| Married filing jointly | $150,000 | $8,514 | $12,314 | $3,800 | 7.6% |
Social Security and retirement income
Hawaii does not tax Social Security benefits. A conversion can still raise the federally taxable share of your benefits through the provisional income formula.
Hawaii has 12 brackets with top rate 11%. Brackets are unchanged from 2025 (next scheduled adjustment is 2027). Personal exemption of $1,144 per exemption not modeled in standard deduction. Hawaii does not tax Social Security benefits. Public employee (ERS) pension income is exempt; private IRA/401(k) distributions are fully taxable.
FAQ
Does Hawaii tax Roth conversions?
Yes. Hawaii taxes Roth conversions as ordinary income at graduated rates up to 11%. Federal tax applies on top.
Does Hawaii tax Social Security benefits?
No. Social Security benefits are not subject to Hawaii income tax.
What is the top Hawaii rate on a conversion in 2026?
11% at the highest marginal rate.
Model your Hawaii conversion in the calculator
Rate data source: https://tax.hawaii.gov/forms/d_25table-on/d_25table-on_p13/ (HI DOT Tax Rate Schedules after Dec 31 2024, last updated Jan 20 2026; standard deduction from tax.hawaii.gov/tax-year-information/)