Withholding Optimizer – Illinois, Married filing jointly

Optimize withholding for Illinois as Married filing jointly. We use federal and Illinois state withholding rules. For planning only.

Estimate tax or take-home

Enter income to estimate.

How it works

We apply federal and Illinois withholding tables for Married filing jointly to suggest allowances or extra withholding.

When to use it

Use when adjusting W-4 and state withholding in Illinois.

Frequently asked questions

Does this include Illinois state?

Yes. We use representative Illinois state withholding rules.

Can I use this for W-4?

Use for planning; submit W-4 and state form through your employer.