City Expansion - Chicago, IL

    Chicago Sales Tax Calculator

    Estimate Chicago sales/use tax by combining Illinois base rate with your local Chicago add-on rate.

    Tax year: 2026Last updated: May 31, 2026Illinois base: 6.25%Chicago add-on inputItem-class and year logic
    Inputs

    Configure your scenario

    Enter purchase details and your Chicago-area local add-on rate to estimate sales/use tax.

    Purchase amount

    $250

    Estimated tax

    $16

    Total with tax

    $266

    Rate: 6.25%

    Breakdown

    Detailed estimate

    Illinois base rate used
    6.25%
    Combined rate
    6.25%
    Estimated tax
    $16
    Total with tax
    $266
    FAQ

    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.

    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)

    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.