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North Dakota Tax Calculator

The North Dakota (ND) Tax Calculator is updated for the 2026/27 tax year and estimates North Dakota state income tax, federal income tax, and FICA/Medicare. North Dakota uses a progressive state income tax system based on the federal taxable income, applying lower marginal rates than many neighboring states. This calculator helps residents and part-year residents estimate their total tax and take-home pay for 2026/27.

North Dakota also offers various credits such as the Marriage Credit, Family Investment Credit, and Long-Term Care Partnership Credit. Use this tool to model how these can affect your annual return and potential refund.

Quick Access Tools

Quick North Dakota Tax Calculator

Enter your income and filing status, then select Calculate. Use additional tabs to add deductions, dependents, and retirement contributions. You can also enter withholdings and credits to get a more accurate estimate of your final tax balance.

Input key: F Used in Federal tax calculations S Used in State tax calculations

Quick Tax Calculation Detailed Tax Calculation
Filing Information Quick Inputs Income Details Deductions & Adjustments State Options IRA, Pensions & Annuities Withholdings

Filing Information

Set your filing status, dependants and personal details so the calculator can apply the correct Federal and State rules.

Quick Inputs

Provide a summary of your income and deductions to calculate your Federal and State tax position quickly.

Income Details

Enter the specific types of income that contribute to your Federal Adjusted Gross Income.

For Schedule B

Deductions & Adjustments

Deductions & Adjustments

Include any adjustments to income that reduce your Federal/State Adjusted Gross Income.

State Options

Some states apply local income taxes in addition to State tax. Enter your local rate if it applies.

IRA, Pensions & Annuities

Enter the details for your retirement contributions and income sources, which are used to compute values on **Form 8606**. This includes contributions to traditional IRAs, 529 savings plans, and rollovers, as well as income from rental properties, farms, unemployment, and other sources. Additionally, provide information on any disaster-related distributions or IRA rollovers you’ve made, and enter your capital gain distributions if applicable. These inputs are essential for accurately calculating your total retirement-related income and determining your tax liabilities or benefits, specifically regarding IRA deductions and distributions as outlined in **Form 8606**.

Withholdings

Enter withheld amounts to calculate refund or balance due.

How to Calculate Income Tax in North Dakota for 2026/27

  1. Enter your gross income and any adjustments or deductions.
  2. Select your filing status and residency (resident or part-year).
  3. Click Calculate to see your estimated state and federal tax, credits, and take-home pay.

Advanced Options

  • Add dependents to calculate family-related credits.
  • Include IRA or 401(k) contributions to adjust taxable income.
  • Enter state or federal withholdings to estimate refunds or taxes due.
  • Apply eligible North Dakota credits such as marriage or childcare-related benefits.

Related Calculators

Additional Resources

Frequently Asked Questions

Answers to common North Dakota filing questions, including federal conformity, credits, deductions, and part-year residency rules.

What if I moved into or out of ND mid-year?

File as part-year resident on ND-1, allocate wages and income to ND based on residency periods and ND-source rules, and keep W-2s/paystubs that show work location and dates. Our calculator can approximate by splitting income across states to preview combined effects.

Are gambling winnings taxable in ND?

Yes—report winnings as income; withholding may occur on large wins. Losses follow federal substantiation rules.

How do I adjust withholding at work for ND?

Use your employer’s federal W-4 plus any ND guidance; preview outcomes by adding “extra withholding” on the ND page.

What about Schedule A medical deductions?

ND references federal itemization; large medical expenses may matter if you itemize—compare vs the standard approach.

Are employer HSAs reported differently in ND?

Employer contributions follow federal reporting; ND may require state-level handling on ND-1SA—check instructions.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.