Illinois Sales Tax Calculator (2026)
Illinois's state sales tax rate is 6.25% for 2026, and with local city and county taxes the average shopper pays about 8.86%. Calculate the tax on any purchase, or start from a receipt total and back the tax out.
Illinois sales tax details
| State rate (2026) | 6.25% |
|---|---|
| Average combined rate | 8.86% |
| Tax on a $100 purchase (avg) | $8.86 |
| Tax on a $1,000 purchase (avg) | $88.60 |
Worth knowing: Illinois uses a personal exemption (~$2,850) instead of a standard deduction. Chicago-area combined sales tax exceeds 10%.
Frequently asked questions
What is the sales tax rate in Illinois?
The Illinois state sales tax rate is 6.25% in 2026. With average local (city and county) rates added, shoppers pay about 8.86% combined, though the exact rate depends on the locality.
How much is sales tax on a $1,000 purchase in Illinois?
At the average combined rate of 8.86%, tax on a $1,000 purchase in Illinois is about $88.60, for a total of $1,088.60.
How do I remove sales tax from a total in Illinois?
Divide the total by 1 plus the rate. For example, at 8.86%, a receipt total of $107 ÷ 1.0886 gives the pre-tax price. The calculator on this page has a "reverse" mode that does this for you.
Last reviewed January 15, 2026 for the 2026 tax year. Rates change — always confirm against the official sources below before making financial decisions.
- Illinois Department of Revenue — official state tax authority
- Internal Revenue Service (IRS) — 2026 federal brackets, standard deduction and FICA
- Tax Foundation — state and average local sales tax comparisons