W-4 withholding explained (2026)

How Form W-4 withholding works in 2026: filing status, dependents, extra withholding, and free calculator links.

W-4 checklist (2026)

  1. Update filing status and dependents so withholding matches expected tax.
  2. Use Step 4 for other income / extra withholding if you owe every April.
  3. Re-check after raises, side gigs, or marriage — then re-run a paycheck estimate.

Open W-4 withholding calculator

Next: paycheck calculator · gross to net · tax refund planning guide.

Educational only — not tax, legal or financial advice. Confirm with IRS.gov or a qualified professional.