Oklahoma sales tax calculator
Oklahoma’s state rate is 4.5%; the typical combined rate with local taxes is about 8.99%. Add or remove sales tax from any amount below.
Pre-tax
$100.00
Sales tax
$8.99
Total
$108.99
How sales tax works in Oklahoma
Oklahoma has a low 4.5% state rate but very high local taxes, so combined rates commonly reach 8.5%–11%. The state stopped taxing groceries at the state level in 2024, though local grocery taxes still apply.
Rates are approximate and current as of the 2024–2025 tax years. Local rates change and vary by address; confirm the exact figure with the Oklahoma department of revenue or a rate lookup by ZIP code before relying on it.
Sales tax on common amounts in Oklahoma (at 8.99%)
Frequently asked questions
What is the sales tax rate in Oklahoma?
Oklahoma's statewide base rate is 4.5%. With average local (city and county) taxes added, the typical combined rate is about 8.99%. Your exact rate depends on the address of the sale.
How much is sales tax on $100 in Oklahoma?
At the 8.99% average combined rate, sales tax on $100 is about $8.99, for a total of $108.99. At the 4.5% state rate alone it is $4.50.
Does Oklahoma charge local sales tax on top of the state rate?
Yes. Cities, counties or special districts in Oklahoma add local sales tax, which is why the average combined rate (8.99%) is higher than the 4.5% state rate.
How do I calculate sales tax backwards from a total in Oklahoma?
Divide the tax-included total by 1 plus the rate as a decimal. At 8.99%, a $108.99 total came from a $100.00 pre-tax price. Use the "Remove tax from a total" mode above.