$
%
Sales Tax
$9
8.86%
Effective Rate
Total Price
$109
State Tax
$6
Local Tax
$3
Summary
A $100 purchase in Illinois incurs $9 in sales tax (8.86% combined rate), for a total of $109.
Illinois's combined 8.86% average rate (6.25% state + 2.61% avg local) ranks #7 nationally.
Groceries are taxed at a reduced 1.00% rate in Illinois.
If you buy online from out-of-state sellers, Illinois's use tax of 6.25% applies to untaxed purchases.
State Tax (6.25%): $6
Local Tax (2.61%): $3
Tax Calculation Breakdown
5 rows
| Step | Amount |
|---|---|
| Purchase Amount | $100 |
| + State Tax (6.25%) | $6 |
| + Local Tax (2.61%) | $3 |
| = Total Sales Tax | $9 |
| = Total Price | $109 |
Sales tax rates are based on 2025 data from the Tax Foundation. Local rates shown are statewide averages — actual rates vary by jurisdiction. Use the local rate field to enter your specific rate. Not tax advice.