Olathe, Kansas Sales Tax Calculator (2026)
9.50% total combined rate — includes state and local taxes.
Olathe’s combined rate is about 9.5%, including local and county surcharges.
Olathe Sales Tax Calculator
Enter a purchase amount — we’ll calculate the total with Olathe’s tax rate.
Rate
9.50%
Tax
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Total
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The current combined rate for Olathe is 9.50%.
Olathe Sales Tax Breakdown
- State Rate: 6.50%
- City Rate: 2.50%
- County Rate: 1.00%
- Special Rate: 0.00%
- Total: 9.50%
About Olathe
Located in Johnson County, Olathe’s local tax revenue funds public schools, city parks, and infrastructure improvements.