Stillwater, Oklahoma Sales Tax Calculator (2026)
8.50% total combined rate — includes state and local taxes.
Stillwater applies a total 8.5% rate, combining state and city portions.
Stillwater Sales Tax Calculator
Enter a purchase amount — we’ll calculate the total with Stillwater’s tax rate.
Rate
8.50%
Tax
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Total
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The current combined rate for Stillwater is 8.50%.
Stillwater Sales Tax Breakdown
- State Rate: 4.50%
- City Rate: 4.00%
- County Rate: 0.00%
- Special Rate: 0.00%
- Total: 8.50%
About Stillwater
Home to Oklahoma State University, Stillwater’s sales tax supports education and infrastructure growth.