Roth conversion taxes in North Carolina (2026)
By Mario Bailey · Published · Last reviewed
North Carolina taxes Roth conversions as ordinary income at a flat 3.99%. A conversion adds to your state taxable income in the year you convert, on top of federal tax. The table below shows the computed North Carolina 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 | $1,077 | $3,072 | $1,995 | 4.0% |
| Single | $80,000 | $2,673 | $4,668 | $1,995 | 4.0% |
| Single | $150,000 | $5,466 | $7,461 | $1,995 | 4.0% |
| Married filing jointly | $40,000 | $559 | $2,554 | $1,995 | 4.0% |
| Married filing jointly | $80,000 | $2,155 | $4,150 | $1,995 | 4.0% |
| Married filing jointly | $150,000 | $4,948 | $6,943 | $1,995 | 4.0% |
Social Security and retirement income
North Carolina does not tax Social Security benefits. A conversion can still raise the federally taxable share of your benefits through the provisional income formula.
FAQ
Does North Carolina tax Roth conversions?
Yes. North Carolina taxes Roth conversions as ordinary income at a flat 3.99%. Federal tax applies on top.
Does North Carolina tax Social Security benefits?
No. Social Security benefits are not subject to North Carolina income tax.
What is the top North Carolina rate on a conversion in 2026?
3.99% at the highest flat rate.
Model your North Carolina conversion in the calculator
Rate data source: https://www.ncdor.gov/taxes-forms/individual-income-tax/tax-rate-schedules (NCDOR tax rate schedules; 3.99% confirmed for 2026)