Rates verified January 2026 · Source: Oklahoma Dept. of Revenue

Oklahoma Sales Tax Calculator 2026

Oklahoma City 8.625% · Tulsa 8.517% · Norman 8.75% · OK base 4.5%

Oklahoma has a 4.5% state sales tax. City and county additions bring major metros to 8%–9%. Oklahoma City is 8.625%, Tulsa 8.517%, Norman 8.75%. Oklahoma taxes groceries — one of the few states still doing so.

State guide Shipping rules Grocery tax Reverse formula

Quick answer

Use 8.625% as the starting Oklahoma sales tax rate.

The calculator below lets you add tax to a price or remove tax from a receipt total. Pick a city when available, or type the exact local rate from the official source.

State base rate

4.5%

Average combined

8.98%

Oklahoma City rate

8.625% combined

Calculator

City (optional — fills rate)

Sales tax rate — type any % (editable)

Change this anytime — no extra click. Verify final rates with your state or country tax authority.

Amount before tax

Quick amounts

Enter an amount to see the result.

Educational tool only — not tax advice. Confirm rates before filing or pricing for customers.

Oklahoma combined rates by city — 2026 reference

Oklahoma City
Oklahoma County · State 4.5% + County/City 4.125%
8.625%
Tulsa
Tulsa County · State 4.5% + County/City 4.017%
8.517%
Norman
Cleveland County · State 4.5% + County/City 4.25%
8.75%
Broken Arrow
Tulsa County · State 4.5% + County/City 4.017%
8.517%
Lawton
Comanche County · State 4.5% + County/City 4.5%
9%
Edmond
Oklahoma County · State 4.5% + County/City 4.125%
8.625%
Moore
Cleveland/Oklahoma · State 4.5% + County/City 4.75%
9.25%
Midwest City
Oklahoma County · State 4.5% + County/City 4.125%
8.625%

ZIP and district rules can differ. Verify on Oklahoma Dept. of Revenue.

Formula

How to calculate Oklahoma sales tax

Multiply the taxable price by the combined state and local rate. Then add the tax amount to the original price to get the final checkout total.

Sales tax formula

Sales tax = item price x (rate / 100)

Final total = item price + sales tax

Enter the item price before tax.
Use the city rate above or type the exact local rate from the official source.
Calculate the sales tax amount and final total instantly.

Example	Formula	Tax	Total
$100 purchase in Oklahoma City	$100.00 x 8.625%	$8.63	$108.63
$250 purchase in Tulsa	$250.00 x 8.517%	$21.29	$271.29
Reverse tax from $108.63 in Oklahoma City	$108.63 ÷ 1.08625 ≈ $100.00 pre-tax; about $8.63 was sales tax.	$100.00 before tax	$100.00 before tax

Oklahoma sales tax examples

Common receipt calculations using high-search city rates.

$100 purchase in Oklahoma City

$108.63 total

$100.00 × 8.625% = $8.63 sales tax in Oklahoma City, Oklahoma.

$250 purchase in Tulsa

$271.29 total

$250.00 × 8.517% = $21.29 sales tax in Tulsa, Oklahoma.

Reverse tax from $108.63 in Oklahoma City

$100.00 before tax

$108.63 ÷ 1.08625 ≈ $100.00 pre-tax; about $8.63 was sales tax.

State rate: 4.5%

Avg combined: 8.98%

Economic nexus: $100,000 in sales OR 200 transactions in Oklahoma

Filing: Monthly, Quarterly, or Annual

Oklahoma Sales Tax

Oklahoma's 4.5% state rate combined with city and county additions produces rates of 8%–9.5% in major cities. Oklahoma is notable for taxing groceries at the full rate. Oklahoma City is 8.625%, Tulsa 8.517%.

Oklahoma combined rates by city

Combined rates vary across Oklahoma. Reference cities on this page include: Oklahoma City (8.625%), Tulsa (8.517%), Norman (8.75%), Broken Arrow (8.517%), Lawton (9%), Edmond (8.625%). ZIP codes and special districts can differ — use the official lookup linked above for address-level filing.

Common exemptions in Oklahoma

Common exemptions include: Prescription drugs; Medical equipment; Agricultural production items. Restaurant meals, prepared food, and many services are often taxable even when groceries are exempt.

Online sellers and economic nexus

Out-of-state sellers that exceed $100,000 in sales OR 200 transactions in Oklahoma in Oklahoma generally must register and collect tax on taxable sales delivered into the state. Marketplace facilitators often remit tax on behalf of third-party sellers.

How to use this calculator

Pick a city from the list or type the combined percentage from your OK tax lookup. Enter a pre-tax amount to add sales tax, or use reverse mode to split tax from a receipt total. Businesses should validate address-level rates in certified tax software before filing returns.

Often taxable in Oklahoma

General merchandise
Electronics
Clothing
Restaurant meals
Groceries (taxed)

Common exemptions

Prescription drugs
Medical equipment
Agricultural production items

Common mistakes to avoid

Using only the state rate

Oklahoma's 4.5% state rate is only the starting point. Oklahoma City is 8.625% combined.

Subtracting tax from a gross total

To reverse sales tax, divide by 1 + (rate ÷ 100). Do not subtract the percentage from the tax-inclusive price.

Treating groceries and clothing the same

Exemptions differ by item. Review Oklahoma rules for food, apparel, medicine, and digital goods before invoicing.

Quoting the average rate for every address

The 8.98% average is useful for estimates; use address-level rates for compliance and customer quotes.

Official Oklahoma sales tax source

Rates and rules on this page were last reviewed in January 2026 against Oklahoma Dept. of Revenue. Use the linked authority for filing, registrations, or address-specific compliance.

Rates on this page were compared to Oklahoma official Department of Revenue publications as of January 2026.
Oklahoma City is listed at 8.625% combined (State 4.5% + County/City 4.125%). Confirm ZIP-level rates before filing.
Destination-based rules usually apply to shipped orders — use the delivery address rate, not the seller's warehouse rate, unless official guidance says otherwise.

Oklahoma sales tax — frequently asked questions

What is the Oklahoma sales tax rate in 2026?

Oklahoma state rate is 4.5%. With city and county additions, Oklahoma City is 8.625%, Tulsa 8.517%, Norman 8.75%.

Does Oklahoma tax groceries?

Yes. Oklahoma taxes groceries at the full combined rate, making it one of the few states still fully taxing food.

What is the sales tax rate in Oklahoma City, OK?

Oklahoma City uses about 8.625% combined sales tax (State 4.5% + County/City 4.125%). Always verify the current rate for your exact address.

Is clothing taxable in Oklahoma?

Clothing and footwear are generally taxable in Oklahoma at the combined state and local rate unless a specific exemption applies.

Does Oklahoma charge sales tax on online purchases?

Remote sellers and marketplaces that exceed Oklahoma's economic nexus threshold ($100,000 in sales OR 200 transactions in Oklahoma) generally must collect Oklahoma sales tax based on the delivery address.

How do I reverse Oklahoma sales tax from a receipt total?

Divide the tax-inclusive total by 1 plus the combined rate as a decimal. At 8.98% combined: $108 ÷ 1.08 ≈ $100 before tax.

Is shipping taxable in Oklahoma?

Rules differ by state. See our shipping tax calculator and Oklahoma Department of Revenue guidance to learn whether delivery, freight, and handling are taxable on your order.

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Use the correct Oklahoma sales tax rate

Use this page for quick Oklahoma sales tax estimates, receipt checks, and reverse tax calculations. For the most accurate result, choose the closest city rate or verify the exact address-level rate with the official source, then enter that percentage in the calculator.

Open all-state calculator

Disclaimer: Rates are for informational and educational purposes and may be incomplete or outdated. Always verify with the official Oklahoma revenue authority or a qualified professional before filing or making business decisions.