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Oklahoma Sales Tax Calculator

Oklahoma charges a state sales tax of 4.5%, plus local taxes averaging 4.56%, for a combined average of 9.06%.

Updated · Published by Novpix LLC

Quick rates:
Price before tax
$100.00
Sales tax (9.06%)
$9.06
Oklahoma state portion (4.5%)
$4.50
Average local portion (4.56%)
$4.56
Total
$109.06

Rates shown for Oklahoma are effective January 1, 2026, from the Tax Foundation. The local figure is a population-weighted average — your city or county rate may be higher or lower, so enter your exact local rate above when the amount has to be right. This is a calculator, not tax advice.

Runs entirely in your browser — nothing is uploaded

How it works

  1. 1Choose whether you are adding tax to a price or removing it from a total you already paid.
  2. 2Enter the amount. The rate is pre-filled with Oklahoma’s combined average of 9.06%, which is an average of very different local rates — replace it with the rate for the exact city or county where the sale happens.
  3. 3Read the tax and total below; both update as you type, so you can compare two local rates side by side.

Frequently asked questions

What is the sales tax rate in Oklahoma?
Oklahoma charges a state sales tax of 4.5%, plus local taxes averaging 4.56%, for a combined average of 9.06%. That combined figure is above the national average of 7.53%, ranking Oklahoma 6 out of 51 when the states and the District of Columbia are ordered from highest to lowest. Rates are effective January 1, 2026 according to the Tax Foundation.
How is sales tax structured in Oklahoma?
Local taxes in Oklahoma average more than the state rate itself, and there is a structural reason: municipalities here are largely barred from using property tax for day-to-day operations, so sales tax funds the ordinary business of city government.
Why might my receipt in Oklahoma show a different rate?
Because 4.56% is an average, not your rate. Local sales taxes are set by counties, cities and special districts, so two towns an hour apart can differ by a percentage point or more. Sales tax is charged based on where the sale takes place, so use the exact combined rate for that location — type it into the rate box and the calculator uses it instead.
How do I work out the pre-tax price from a total?
Switch the calculator to “Remove tax from a total”. At 9.06%, a $100.00 purchase carries $9.06 of tax for a total of $109.06. Running it backwards, a $100.00 total breaks down into $91.69 of goods and $8.31 of tax — not the $90.94 you would get by subtracting 9.06% from the total, which is the mistake this calculator exists to prevent.
How does Oklahoma compare with the states next door?
Oklahoma borders 6 states: New Mexico at 7.67%, Colorado at 7.89%, Texas at 8.2%, Missouri at 8.44%, Kansas at 8.69%, Arkansas at 9.46%. That spans 1.79% between New Mexico and Arkansas, which is why border towns see the traffic they do — the gap is small on a coffee and material on a laptop. Anyone near the New Mexico line is 1.39% better off buying there, before travel costs.
Is everything taxable in Oklahoma?
No. Oklahoma removed the state sales tax on groceries in 2024, but city and county taxes on food continue to apply — so the state portion of a grocery bill disappeared while the local portion did not. More broadly, prescription drugs and medical devices are exempt in most states and services are treated differently again, so the rate is only half the question. This calculator applies whatever rate you give it and does not know what is exempt — for a specific purchase, check with the Oklahoma Tax Commission.
Is this tax advice?
No. It is a calculator with published average rates pre-filled as a convenience, effective January 1, 2026. Rates change, local rates vary within a state, and exemptions are specific to what is being sold. For filing, remitting or anything with money at stake, confirm the figure with the Oklahoma Tax Commission or a tax professional.

About this tool

Oklahoma charges a state sales tax of 4.5%, plus local taxes averaging 4.56%, for a combined average of 9.06%. Enter a price and the calculator shows the tax and the total; switch modes and it works backwards from a total to the pre-tax amount. Because the 4.56% local figure is a population-weighted average rather than a rule, the rate box is editable — put in your own city or county rate whenever the number has to be exact.

Local taxes in Oklahoma average more than the state rate itself, and there is a structural reason: municipalities here are largely barred from using property tax for day-to-day operations, so sales tax funds the ordinary business of city government.

Oklahoma removed the state sales tax on groceries in 2024, but city and county taxes on food continue to apply — so the state portion of a grocery bill disappeared while the local portion did not. That matters as much as the rate: two states with identical percentages can produce very different bills depending on what sits inside the base. For context, Oklahoma’s combined average of 9.06% is above the national average of 7.53%, placing it 6 of 51 among the states and the District of Columbia.

Reversing sales tax is the part people get wrong. To pull tax out of a total you divide by 1 plus the rate rather than subtracting the percentage from it. At 9.06%, a $100.00 purchase carries $9.06 of tax for a total of $109.06. Running it backwards, a $100.00 total breaks down into $91.69 of goods and $8.31 of tax — not the $90.94 you would get by subtracting 9.06% from the total, which is the mistake this calculator exists to prevent.

Oklahoma borders 6 states: New Mexico at 7.67%, Colorado at 7.89%, Texas at 8.2%, Missouri at 8.44%, Kansas at 8.69%, Arkansas at 9.46%. That spans 1.79% between New Mexico and Arkansas, which is why border towns see the traffic they do — the gap is small on a coffee and material on a laptop. Anyone near the New Mexico line is 1.39% better off buying there, before travel costs.

Rates on this page are effective January 1, 2026, sourced from the Tax Foundation, and reviewed each year. They are here to save you looking them up, not to replace checking: legislatures adjust rates, local districts add and remove their own, and exemptions differ widely. For anything you are filing or remitting, confirm the current figure with the Oklahoma Tax Commission.

Where these figures come from

Source
State and average local sales tax rates, from the Tax Foundation.
Effective
January 1, 2026. Reviewed annually, and whenever a rate change is announced.
Maintained by
Novpix LLC. Corrections are welcome — the contact page reaches the people who maintain this data, and the changelog records what has been fixed.
Limitations
The 4.56% local figure is a population-weighted average across Oklahoma, not a rate anyone actually pays — county, city and district rates change at their own boundaries. Use the rate for the address where the sale takes place. What is taxable is a separate question from the rate, and this calculator does not model it: oklahoma removed the state sales tax on groceries in 2024, but city and county taxes on food continue to apply — so the state portion of a grocery bill disappeared while the local portion did not. Confirm anything you are filing with the Oklahoma Tax Commission.
Not advice
This is a calculator and a reference table, not tax advice. For anything you are filing, remitting or relying on, confirm the figure with the relevant revenue department or a qualified tax professional.

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