Illinois · Sales Tax
Illinois Sales Tax Calculator
The Illinois state sales tax rate is 6.25%. On a $100 purchase, the tax is $6.25, for a total of $106.25.
| Illinois Sales Tax | Rate | On $100 | On $1,000 |
|---|---|---|---|
| State base rate | 6.25% | $6.25 | $62.50 |
| Maximum combined | 11.5% | $11.50 | $115.00 |
| Pre-tax from $108.50 total | — | ÷1.0625 |
Frequently Asked Questions — Illinois Sales Tax
What is the sales tax rate in Illinois?
The state base sales tax rate in Illinois is 6.25%. Chicago 10.25%; Cook County unincorporated areas 10.25%. The maximum combined rate (state plus highest local) reaches 11.5%.
How do I calculate sales tax in Illinois?
Multiply the pre-tax price by 0.0625 (the decimal form of 6.25%). For example, a $250 purchase has a Illinois state sales tax of $15.62, for a total of $265.62. To reverse-calculate: if you have the total and want the pre-tax price, divide the total by 1.0625.
Does Illinois charge sales tax on groceries?
Food and grocery tax rules vary by state. In Illinois, the standard rate of 6.25% applies, though some states exempt grocery staples. Check the Illinois Department of Revenue for specific grocery exemption rules.
How does Illinois compare to other states for sales tax?
The Illinois state rate of 6.25% is close to the national median of approximately 6.0%. Combined with local rates, the effective rate in Illinois ranges from 6.25% to 11.5%.