Illinois Sales Tax Calculator
Calculate Illinois sales tax using a typical combined state and local rate, or enter the exact rate for your municipality.
Enter Values
Replace with your Illinois local combined rate
Result
Enter values above and click Calculate to see your result.
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Formula
Illinois combines state tax with local home rule, county, mass transit, and other add-ons that vary by location.
Worked Example
Frequently Asked Questions
Why do Illinois sales tax rates vary so much?
Local jurisdictions in Illinois can stack several types of local taxes, so combined rates differ widely between Chicago, collar counties, and rural areas.
Does Illinois tax online purchases?
Remote sellers often collect Illinois sales tax based on delivery address. Enter the rate your seller or marketplace applies.
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