Oklahoma Sales Tax Calculator
Oklahoma sales tax is 4.5% statewide, according to the state’s own tax page (checked November 8, 2026). The page says county and municipal sales taxes are applied as well where they are levied. On a $200.00 price at 4.5%, the state tax is $9.00 and the total is $209.00.
Maintained by Archie Chang · Rate checked November 8, 2026 · Methodology & sources
Your purchase
Starts at 0. Local rates are not built in: look yours up on the state’s official rate tool and type it here.
Tax and total
Total with tax
$104.50
Combined rate 4.5%
The tax rounds half up to the cent. A seller’s own rounding rules and any items taxed at other rates can change the final charge.
FedRateCalc is not a tax agency and this is not tax advice. The state tax agency’s own rate page and lookup tool are authoritative, and a seller’s receipt shows the tax actually charged.
Oklahoma rate and local taxes
Statewide rate: 4.5%. The page does not state when the rate took effect.
The page says county and municipal sales taxes are applied as well where they are levied. This site does not show an average local rate because no official source publishes one.
Official page: Oklahoma tax agency page.
Worked example
A $200.00 purchase at the 4.5% state rate: $200.00 × 4.5% = $9.00 of state tax, so the total is $200.00 + $9.00 = $209.00 before any local tax. To work backward from a total that includes tax, divide it by 1 plus the combined rate.
Frequently asked questions
What is the Oklahoma sales tax rate?
The statewide rate on Oklahoma’s official page is 4.5%. It was checked on November 8, 2026; rates change, so confirm on the state page before filing.
Does Oklahoma have local sales taxes?
The page says county and municipal sales taxes are applied as well where they are levied.
How do I find the price before tax from a Oklahoma total?
Divide the total by 1 plus the combined rate as a decimal. At 4.5% and no local tax, a total of $209.00 divided by 1.045 is $200.00 before tax.
Where is the official Oklahoma rate page?
The page this calculator’s rate comes from is https://oklahoma.gov/tax/businesses/sales-use-tax.html.
Cite this page
Page title: Oklahoma Sales Tax Calculator: 4.5% State Rate. Updated November 8, 2026. Canonical URL: https://fedratecalc.com/sales-tax-calculator/oklahoma/
Data source: Oklahoma tax agency sales tax page, compiled by FedRateCalc.
Plain-text citation
FedRateCalc. Oklahoma Sales Tax Calculator: 4.5% State Rate. Updated November 8, 2026. https://fedratecalc.com/sales-tax-calculator/oklahoma/HTML link
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