Oklahoma Sales Tax Calculator (2026)

Find up-to-date Oklahoma sales tax rates for 2026. The state rate is 4.50%, local add-ons up to 6.50%, with an average combined rate around 8.90%. Includes exemptions and breakdowns for major cities.

Oklahoma applies a statewide sales tax rate of 4.5%. Local jurisdictions can add up to 6.5%, leading to total rates between 6% and 11% depending on location.

Oklahoma Sales Tax Calculator

Enter a purchase amount — this calculator uses the average combined rate for Oklahoma.

Rate
8.90%
Tax
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Total
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The average combined rate in Oklahoma is 8.90%. Local city rates may vary by ZIP code.

Overview of Oklahoma Sales Tax

Oklahoma’s base 4.5% sales tax applies to most retail goods and services. Cities and counties add their own taxes, often funding local schools, infrastructure, and public safety programs.

Comparison With Neighboring States

Texas averages 8.2%, Arkansas 9.5%, and Kansas about 8.6%. Oklahoma’s 8.5–9% average rate is among the highest in the region.

Business Tax Information

Retailers must register with the Oklahoma Tax Commission to collect and remit sales tax. Filing frequency varies based on sales volume.

FAQs for Oklahoma

What is Oklahoma’s state sales tax rate?

4.5% statewide.

Can local governments add taxes?

Yes, up to 6.5% combined.

What is the highest total rate?

Some areas reach 11% combined tax.

Are groceries taxed?

Yes, groceries are taxed at the full sales tax rate.