Illinois Tax Guide
Illinois Tax Calculator
Free · Designed for iPad. Not verified for macOS.
Illinois Tax Guide: paycheck & annual tax estimates, sales tax by location, key deadlines, IRS/IDOR contacts, and free tax-help locators.
Illinois Tax Guide helps you quickly understand taxes and plan your take-home pay with clean calculators and a practical reference guide for Illinois.
CALCULATORS
• Paycheck Calculator — estimate net pay based on gross pay, pay frequency, filing status, and dependents.
• Annual Tax Estimate — estimate yearly totals and net income with a simple breakdown.
• Capital Gains Calculator — estimate federal capital gains impacts (rules vary).
• Illinois Sales Tax Calculator — compute sales tax (rates vary by location).
• Illinois Corporate Income Tax — quick estimate for Illinois business income tax.
TAX GUIDE (Quick Reference)
• Federal income tax + payroll basics (FICA)
• Illinois tax topics (income, sales & use, property tax)
• Simple notes on what estimates include (and don’t)
DEADLINES & HELP
• Key Deadlines for the filing season and common estimated tax dates (verify each year).
• Important Numbers — quick access to official support lines (IRS, Illinois DOR, Taxpayer Advocate Service).
• Free / Low-Cost Help — links to official locators for nearby tax clinics.
EXTRAS
• State Snapshot with key official stats (when available).
• Salary Journal — track your paychecks in one place.
Disclaimer: Estimates are for informational purposes only and may not reflect your exact situation. Tax rules and rates change—always verify on official sources or consult a qualified tax professional.
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The developer, Yaroslav Mykolaienko, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
Accessibility
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Information
- Seller
- Yaroslav Mykolaienko
- Size
- 16.1 MB
- Category
- Finance
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Yaroslav Mykolaienko Apps