Seattle Sales Tax Calculator
Combined sales tax in Seattle, WA ranges from 10.3% to 10.55% depending on the ZIP code. Pick your rate below or type the exact one from your receipt.
Seattle sales tax on common amounts
| Price | Tax at 10.55% | Total |
|---|---|---|
| $10 | $1.06 | $11.06 |
| $25 | $2.64 | $27.64 |
| $50 | $5.28 | $55.28 |
| $100 | $10.55 | $110.55 |
| $250 | $26.38 | $276.38 |
| $500 | $52.75 | $552.75 |
| $1,000 | $105.50 | $1,105.50 |
Rates as of July 9, 2026, from Galvix sales tax by city. Some items, such as many groceries and prescription drugs, are taxed at a lower rate or not at all.
How to work out Seattle sales tax by hand
Turn the rate into a decimal by dividing by 100: 10.55% becomes 0.1055. Multiply the price by it to get the tax, then add the tax to the price.
Example: a $84.99 item in Seattle has $84.99 × 0.1055 = $8.97 in tax, so the total at the register is $93.96.
To find the price before tax from a receipt, divide the total by 1 plus the rate: $50.00 ÷ 1.1055 = $45.23 before tax, with $4.77 of tax included.
Stores round tax to the nearest cent. If a receipt is a cent off from this calculator, it's usually because the store rounds each item separately rather than the whole bill.
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Questions
What is the sales tax rate in Seattle?
10.3% – 10.55% combined, as of July 9, 2026.
How much is tax on $100 in Seattle?
$10.55 at 10.55%, for a total of $110.55.