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Verified April 2026

How to Calculate Sales Tax in District of Columbia, District of Columbia

2026 Step-by-Step Guide for Businesses & Consumers

Current District of Columbia Sales Tax Rate

Jurisdiction Rate
District of Columbia State Sales Tax 6.000%
Total Combined Rate 6.000%

How to Calculate Sales Tax in District of Columbia

  1. 1

    Find the combined rate

    The combined sales tax rate in District of Columbia is 6.000%. This equals: District of Columbia state rate of 6.000% + County 0.000%.

  2. 2

    Convert the percentage to a decimal

    6.000 ÷ 100 = 0.0600

  3. 3

    Multiply by your purchase amount

    Example: $100.00 × 0.0600 = $6.00 in sales tax

  4. 4

    Add tax to the original price

    $100.00 + $6.00 = $106.00 total cost

What's Taxable in District of Columbia?

Most tangible personal property is taxable in District of Columbia. Check with the District of Columbia Department of Revenue for specific exemption categories.

Do You Have Nexus in District of Columbia?

Economic Nexus Threshold

If your business has over $100,000 in annual District of Columbia sales or 200 transactions, you are required to collect and remit District of Columbia sales tax. This applies to out-of-state remote sellers too.

Expert Sales Tax Tips for District of Columbia

Out-of-State Sellers

Selling into District of Columbia from out of state? Register before you cross the $100,000 threshold to avoid back taxes and penalties.

Frequently Asked Questions

Sales Tax Calculator

Using 6.000% rate for District of Columbia

$
Tax Amount $0.00
Total with Tax $100.00

Rate applied: 6.000% combined