Home / Filling out a W-4 / Questions
When should I update my W-4?
Short answer
After marriage, divorce, a new baby, a second job, a big raise, or if you had a surprise tax bill or a very large refund.
See every step in 1 minuteHow to fill out a W-4 at a new job
People also ask
Official sources
- IRS: Form W-4irs.gov
- IRS: Tax Withholding Estimatorirs.gov