Washington Sales Tax Calculator
State rate: 6.5% — Calculate tax on any purchase
Calculate Washington Sales Tax
Common Purchases in Washington
Washington Sales Tax Details
Washington's state sales tax is 6.5%. Combined with local taxes, rates range from 7% to 10.6%. Seattle is about 10.35%. Washington has no income tax, relying heavily on sales tax.
How to Calculate Washington Sales Tax
Multiply the purchase price by 6.5% (or 0.0650). For a $100 purchase in Washington: $100 × 0.0650 = $6.50 tax, for a total of $106.50.
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Washington City Tax Rates
Click a city for a calculator pre-loaded with the combined state + local rate:
All State Sales Tax Rates
Washington Planning Notes
Washington shoppers usually care about more than the headline state rate. The base statewide rate is 6.5%, but the amount that actually shows up on a receipt can be higher when county, transit, stadium, or special district taxes are layered on top. That makes this page most useful as a starting point: check the statewide base, then compare it with the city examples listed below if you are estimating a purchase in a specific metro area.
When to Double-Check Washington Sales Tax
It is smart to double-check the combined rate in Washington before budgeting for appliances, renovation materials, business equipment, or any purchase where even a one-point rate change affects the final total. Small-ticket items do not usually move the needle much, but large purchases can vary enough to matter when you are comparing stores, buying across city lines, or deciding whether a delivery address changes what you owe.
For the best Washington estimate, pair the statewide base rate on this page with the city-level examples that match where the purchase is happening. State policy may stay constant while local districts change the final total, so checking both layers gives you a stronger estimate for real-world budgeting.