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Trying to figure out how much sales tax to charge or pay in Illinois? Our easy-to-use Illinois Sales Tax Calculator makes it simple. Just enter the total purchase amount and the applicable tax rate, and we’ll do the math for you.
The state of Illinois imposes a base sales tax rate of 6.25%1 on most retail sales of goods and certain services. However, local jurisdictions may also impose additional sales taxes, resulting in combined rates ranging from 6.25% to over 11% in certain areas.
Use our calculator to determine exactly how much sales tax you owe based on your location.
To calculate sales tax in Illinois, start by determining your local sales tax rate. To do so, add any local taxes to the state’s base rate of 6.25%.
Once you know your total rate:
Multiply the Purchase Amount by the applicable Sales Tax Rate to get the Sales Tax amount
Add the Sales Tax to the original Purchase Amount to find the Total Cost
Use these formulas or let our calculator do the work for you:
Sales Tax = Purchase Amount × Sales Tax Rate
Total Cost = Purchase Amount + Sales Tax
1 Illinois Department of Revenue: Sales & Use Tax
Illinois exempts or lowers the tax rate on some items from sales tax to lessen the financial burden on consumers. Common exemptions and sales tax reductions2 include:
Most unprepared food items are taxed at a reduced rate of 1% rather than the full sales tax rate. Prepared foods are taxed at the full rate.
Medications prescribed by a licensed healthcare professional are taxed at a reduced rate of 1%.
Certain medical appliances, such as prosthetics and mobility aids, are taxed at a reduced rate of 1%.
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Equipment used primarily in manufacturing or assembling tangible personal property for wholesale or retail sale or lease is exempt from sales tax. This exemption also includes production-related tangible personal property.
2Illinois Department of Revenue: Sales & Use Tax Matrix
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1 Illinois Department of Revenue: Sales & Use Tax
2 Illinois Department of Revenue: Sales & Use Tax Matrix
