Washington Sales Tax Calculator 2025
Washington charges a statewide base Sales Tax rate of 6.5% as of 2025.
Enter an amount below to add sales tax to a pre-tax price or remove it from a tax-inclusive total. The rate field defaults to the Washington state base rate and can be adjusted to reflect your local combined rate. All calculations run entirely in your browser — no amounts or personal data are transmitted.
Important: Washington’s statewide rate is 6.5%. Local taxes push the combined rate to 7.5-10.4% depending on location. Washington has no state income tax.