District of Columbia Sales Tax Calculator (2026)
Calculate sales tax in District of Columbia. The statewide base rate is 6%. Enter an amount and add your local (county or city) rate to see the combined rate and total.
District of Columbia tax snapshot
In District of Columbia, the statewide sales-tax base rate is 6% — the 17th-highest of the 50 states + DC, versus a national average near 5.11%. By the other measures, District of Columbia property tax is about 0.57% (the 45th-highest) and its sales-tax base is 6% (the 17th-highest); district of columbia levies a state income tax. For context, New Jersey has the highest effective property tax (2.23%) and Hawaii the lowest (0.27%); California has the highest statewide sales tax (7.25%) and Oregon has none (0%).
Compare across District of Columbia: Paycheck · Property tax · Sales tax.
Pre-tax vs. tax-included
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Check it outHow District of Columbia sales tax works
District of Columbia charges a statewide base sales tax of 6%. Counties and cities often add a local rate on top, so your combined rate can be higher than the base. Enter your local rate above to get the full amount. Rates change — confirm the current figure with the District of Columbia Department of Revenue before relying on it.
Sales tax by state
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How it’s calculated
Sales tax = purchase amount × (state base rate + local rate). Your combined rate is the District of Columbia’s state base rate plus any county or city tax you enter.
State base rate as of the latest published rates; local rates vary by jurisdiction and change over time. Confirm your local combined rate. Estimate only.
Results update as you type and are estimates, not professional advice — verify important decisions with a qualified professional.
Worked example
A $100 purchase in District of Columbia has $6.00 in sales tax at the 6% base rate, for a $106.00 total before any local tax.
Common mistakes
- Adding only the state base rate and forgetting county or city taxes on top.
- Applying the rate to a tax-included total instead of the pre-tax price.
Where it is used
- Pricing products, quotes, or invoices for customers in District of Columbia.
- Checking the sales tax line on a receipt or purchase.
Frequently asked questions
What is the sales tax rate in District of Columbia?
District of Columbia’s statewide base sales tax rate is 6%. Local taxes can raise the combined rate, so your total may be higher.
How do I find my local sales tax rate?
Your county or city tax authority, or the state Department of Revenue, lists combined rates by address or ZIP code.
Does this calculator include local taxes?
It applies the state base rate. Add your local rate in the field above to get the combined total.