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
How to Calculate Income Tax in the District of Columbia for 2026/27
- Enter gross income and any adjustments.
- Choose filing status (Single, Married filing jointly, etc.).
- 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 pre-tax benefits lower my D.C. tax?
Yes—they reduce taxable wages for both federal and D.C. withholding.
Do first-time homebuyers get special credits?
Not on the state level, but federal credits and D.C.-specific housing programs apply separately.
Deep dive: Managing dual-state filing between D.C. and MD/VA
File part-year or claim cross-state credits. The calculator allows toggling states to preview net results. Keep W-2 allocations accurate.
Is D.C. franchise tax separate from wage tax?
Yes—it’s imposed on business income, not individual wages.
Does D.C. have a commuter benefit law?
Yes—employers must offer commuter transit benefits, which are pre-tax under federal and D.C. law.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.