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Washington D C Tax Calculator

The District of Columbia (DC) Tax Calculator is updated for the 2026/27 tax year. Estimate DC income tax alongside federal income tax, FICA, and Medicare, then review your projected take-home pay.

Quick Access Tools

Quick District of Columbia Tax Calculator

Enter income and filing status, then select Calculate. Use tabs to add itemized deductions, dependents, retirement deferrals, and withholdings. DC does not levy separate county/city income taxes beyond the DC return.

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 the District of Columbia for 2026/27

  1. Enter gross income and any adjustments.
  2. Choose filing status (Single, Married filing jointly, etc.).
  3. Click Calculate to view DC and federal taxes, FICA/Medicare, and take-home pay.

Advanced Options

  • Compare itemized versus federal standard deduction effects in your estimate.
  • Model IRA/401(k) deferrals and other pre-tax benefits.
  • Add withholdings (federal, DC, Medicare, Social Security) to project refund/balance.
  • Include dependents and child-related credits where applicable.

Related Calculators

Additional Resources

Frequently Asked Questions

Quick answers for DC filers: resident vs. part-year rules, nonresident refunds, adjustments, and withholdings.

Do first-time homebuyers get special credits?

Not on the state level, but federal credits and D.C.-specific housing programs apply separately.

Can I use my D.C. results to plan relocation?

Yes—toggle between state pages using identical inputs to compare take-home pay after tax.

Can I claim a D.C. refund if over-withheld while living elsewhere?

Yes—file D-40B (nonresident refund claim).

Wrap-up: What makes this D.C. calculator reliable?

All values are loaded from live 2026 tax tables, verified quarterly. If you spot any mismatch, report it via contact. We adjust promptly for accuracy.

How do I model student loan forgiveness impact?

Use Loan Forgiveness Calculator to see tax impact.

Important Notes

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