Illinois Overtime Estimate

Calculate your estimated 2026 federal tax-free overtime benefit. Illinois uses a flat tax system, providing more predictable results.

Weekly Regular Pay

$

Weekly Overtime Hours

Hrs

Est. Federal Deduction

$0

Annualized federal tax-free base

Official Illinois Resources

Illinois Department of Revenue

Official state individual income tax portal

IRS Withholding Estimator

Verify your federal 2026 withholding