Sales Tax Rules
Oklahoma imposes a state sales tax rate of 4.5%, with a maximum combined rate (state plus local) of 11.5% when local taxes are added. Economic nexus is triggered at $100,000 in sales — meaning out-of-state businesses that exceed this threshold must collect and remit Oklahoma sales tax. SaaS and digital software products are generally exempt from sales tax in Oklahoma. Groceries are exempt from state sales tax.
SaaS Tax Details
Software accessed remotely is exempt under state statute.
Grocery Details
State sales tax on groceries was eliminated in 2024/2025; local taxes apply.
What is the sales tax rate in Oklahoma?
Oklahoma's state sales tax rate is 4.5%. When local taxes are added, the maximum combined rate can reach 11.5%. The actual rate you pay depends on the county and city where the purchase is made.
What is the economic nexus threshold in Oklahoma?
Oklahoma requires out-of-state businesses to collect sales tax once they exceed $100,000 in sales in a calendar year. Once nexus is established, the business must register, collect, and remit Oklahoma sales tax.
Is SaaS taxable in Oklahoma?
No. SaaS products are generally exempt from sales tax in Oklahoma. Software accessed remotely is exempt under state statute.
Are groceries taxed in Oklahoma?
Groceries are generally exempt from sales tax in Oklahoma. State sales tax on groceries was eliminated in 2024/2025; local taxes apply.
Are digital goods taxable in Oklahoma?
Digital goods are generally exempt from sales tax in Oklahoma. However, tax law in this area evolves quickly — verify current rules with the Oklahoma Department of Revenue.
Are clothing items exempt from sales tax in Oklahoma?
Clothing is subject to sales tax in Oklahoma at the standard state rate.
How often do I need to file sales tax in Oklahoma?
Oklahoma requires sales tax filing on a Monthly, Quarterly, or Semi-Annual. Online filing is available through the official Department of Revenue portal.
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Official Source
Oklahoma Department of Revenue
Last verified: 2026-03-26 · Always confirm current rates with your tax advisor before filing.