Bonus Tax Calculator – Connecticut, Single

Estimate how much tax is withheld on a bonus in Connecticut as Single. Supplemental pay may be withheld at a flat rate; we apply federal and Connecticut rules. For planning only.

Estimate tax or take-home

Enter income to estimate.

How it works

We apply federal supplemental withholding and Connecticut state rules for Single. Result is an estimate.

When to use it

Use when planning for a bonus or commission in Connecticut.

Frequently asked questions

Does Connecticut tax bonuses differently?

Some states treat supplemental pay differently. We use representative Connecticut rules.

Is this for W-2 only?

Yes. Employee bonus withholding; self-employed use different rules.