Indiana Tax Calculator
The Indiana (IN) Tax Calculator is updated for the 2026/27 tax year and estimates Indiana state income tax, federal income tax, and FICA/Medicare contributions. Indiana applies a flat state income tax rate plus county income taxes that vary by location. This calculator helps Hoosiers estimate total taxes and take-home pay for both state and federal levels.
Indiana offers various credits, including the Earned Income Credit, College Credit, and Unified Tax Credit for the Elderly. Use this calculator to explore how these affect your annual return.
Quick Access Tools
Quick Indiana Tax Calculator
Enter your income and filing status, then click Calculate. Expand advanced tabs to include local county tax rates, itemized deductions, dependents, IRA/401(k) deferrals, or withholdings. The calculator accounts for both the flat Indiana state rate and applicable county income taxes.
Input key: F Used in Federal tax calculations S Used in State tax calculations
How to Calculate Income Tax in Indiana for 2026/27
- Enter your total annual income and select your filing status.
- Choose your county of residence to apply local income tax rates.
- Click Calculate to view your estimated federal, state, and local tax breakdown.
Advanced Options
- Add county tax rates for accurate local liability.
- Enter retirement contributions such as 401(k) or IRA deferrals.
- Include dependents for Indiana and federal credits.
- Compare standard vs. itemized deductions.
Related Calculators
Additional Resources
Frequently Asked Questions
Common Indiana tax questions include how to calculate county taxes, who qualifies for state credits, and how part-year residents file returns.
Charitable gifts—do they help IN tax?
Itemized federal gifts don’t directly mirror into Indiana; state relief is usually via specific credits/deductions.
Multiple jobs—how to avoid under-withholding?
Use multi-job settings and consider extra Indiana (and county) withholding per pay period.
Education expenses—any IN credits?
Indiana offers specific credits/deductions; see the Credits section for 2026.
Do county rates apply to nonresidents?
County tax can apply to nonresidents working in an IN county (rules vary); select the correct county of employment.
Where is the Indiana calculator?
Indiana State Tax Calculator—set county, dependents, pre-tax, and credits.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.