Oklahoma Sales Tax: A Guide for Invoicing

OK state sales tax is 4.50%; most services are exempt. Add it automatically to every invoice.

State rate
4.50%
Services taxable
Generally no
Top metros
4
Sample local rate
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Oklahoma state sales tax rate

The base state sales tax rate in Oklahoma is 4.50%. State 4.5%; combined commonly 8-10%.

Average local tax adds approximately 4.49%, bringing the typical combined rate to about 8.99%.

Do services need sales tax in Oklahoma?

Generally no — Oklahoma taxes the sale of tangible personal property, not most services. Some specific services (typically utilities, accommodations, and certain repairs) are taxable. Verify your service category with the Oklahoma Department of Revenue.

Common exemptions

  • Most professional services
  • Custom software development
  • Personal services
State rate
4.50%
Services
Generally exempt
Avg local add
4.49%

Top OK metros