Chicago Sales Tax Calculator
Estimate Chicago sales/use tax by combining Illinois base rate with your local Chicago add-on rate.
Configure your scenario
Enter purchase details and your Chicago-area local add-on rate to estimate sales/use tax.
$250
$16
$266
Rate: 6.25%
Detailed estimate
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Chicago sales tax - quick answers
Where do I get the Chicago add-on rate?+
Use official Illinois rate lookup resources for your exact location and sourcing rules, then enter that local add-on here.
Is this rate just for the City of Chicago?+
Chicago-area rates can include multiple components. Always confirm the exact jurisdiction rate that applies to the transaction.
Official references
Sources & Act Reference
Chicago sales-tax references
Illinois base rate
Illinois publishes base rate structures and item-category distinctions.
Local add-ons
Local rates vary by jurisdiction and must be looked up for accuracy.
Rule Trace
Applied rule and official references
Applied rule: tax = purchase amount * (Illinois base state rate + Chicago/local add-on rate)
Official quick links
Compliance checklist
Use the official jurisdiction rate and item treatment for your specific transaction.
Smart Insight
Estimated Chicago-area tax is $16 on this purchase.
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