District of Columbia Sales Tax Calculator
Estimate sales tax in District of Columbia at the average combined rate of 6%. Add tax to a price or back it out of a total.
Enter your combined state + local rate. U.S. sales tax rates vary by city and county.
District of Columbia sales tax rate
| State sales tax rate | 6% |
| Average local sales tax rate | None |
| Average combined rate | 6% |
Population-weighted averages as of July 1, 2025 (Tax Foundation). Your exact rate depends on your city and county.
How sales tax works in District of Columbia
District of Columbia charges a statewide rate of 6%. There are no additional local sales taxes, so the rate is consistent statewide. To add tax, multiply the price by the rate; to back it out of a tax-inclusive total, divide by 1 plus the rate.
Worked example
A $100 purchase at District of Columbia's average combined rate of 6% adds $6.00 in sales tax, for a $106.00 total.
Frequently asked questions
What is the sales tax rate in District of Columbia?
District of Columbia's statewide rate is 6%. With an average local rate of 0%, the typical combined rate is about 6%.
How much is sales tax on $100 in District of Columbia?
At the average combined rate of 6%, sales tax on a $100 purchase is about $6.00, for a total of $106.00. Your exact rate depends on your city and county.
Does District of Columbia have local sales taxes?
District of Columbia levies a single statewide rate of 6% with no additional local sales taxes, so the rate is the same across the state.
Sales tax by state
Or use the general sales tax calculator with any rate.