Verified April 2026
How to Calculate Sales Tax in Washington, Maryland
2026 Step-by-Step Guide for Businesses & Consumers
Current Washington Sales Tax Rate
| Jurisdiction | Rate |
|---|---|
| Maryland State Sales Tax | 6.000% |
| Total Combined Rate | 6.000% |
How to Calculate Sales Tax in Washington
-
1
Find the combined rate
The combined sales tax rate in Washington is 6.000%. This equals: Maryland state rate of 6.000% + County 0.000%.
-
2
Convert the percentage to a decimal
6.000 ÷ 100 = 0.0600
-
3
Multiply by your purchase amount
Example: $100.00 × 0.0600 = $6.00 in sales tax
-
4
Add tax to the original price
$100.00 + $6.00 = $106.00 total cost
What's Taxable in Maryland?
Most tangible personal property is taxable in Maryland. Check with the
Maryland Department of Revenue for specific exemption categories.
Do You Have Nexus in Maryland?
Economic Nexus Threshold
If your business has over $100,000 in annual
Maryland sales or 200 transactions,
you are required to collect and remit Maryland sales tax. This applies to out-of-state remote sellers too.
Expert Sales Tax Tips for Washington
Out-of-State Sellers
Selling into Maryland 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 Washington
$
Tax Amount
$0.00
Total with Tax
$100.00
Rate applied: 6.000% combined