Washington Sales Tax Calculator
Washington's state sales tax rate is 6.5%. With local taxes (avg 2.97%) the combined rate averages 9.47%, reaching ~10.6% in some areas.
Washington has no state income tax and a high state sales tax; local taxes in cities like Seattle push the combined rate above 10%. Use this Washington (WA) sales tax calculator β also handy as a "sales tax calculator Washington" or "WA state sales tax" tool β to add or remove tax at the 6.5% state rate. Pick another state from the dropdown anytime.
How to calculate Washington sales tax
To find the sales tax on a purchase in Washington at the 6.5% state rate:
- Convert the rate to a decimal: 6.5 Γ· 100 = 0.065.
- Multiply by the price: $100 Γ 0.065 = $6.5 (sales tax).
- Add it back: $100 + $6.5 = $106.5 (final price).
If your city or county adds a local tax, tick Include Local Tax to use Washington's average combined rate of 9.47%, or type your exact local rate. To work backwards from a receipt total, use the Remove Tax tab.
Sales tax by state
Compare other states or switch the dropdown above. Pilot states:
Missouri | Tennessee | Arkansas | Texas | New Jersey | Washington | Minnesota | Florida
β Back to the general Sales Tax Calculator (all 50 states).
Taking a percentage off a price instead of adding tax? Use the Discount Calculator.