What box on the W-2 shows federal income tax withheld from overtime pay?
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Executive summary
Federal income tax withheld — including withholding on overtime pay — is reported on Form W‑2 in Box 2; Box 2 shows the total federal income tax withheld from all your paychecks for the year (overtime included) [1][2]. The W‑2 also shows taxable wages in Box 1, which includes regular wages, bonuses and taxable fringe benefits that determine federal tax liability [2][3].
1. Box 2 is the single line for federal income tax withheld
Every plain‑language guide and the IRS instructions state that Box 2 of Form W‑2 reports the total federal income tax withheld from an employee’s pay during the year — that sum is the aggregation of withholding taken from regular pay, overtime, bonuses, and other taxable compensation unless a specific exception applies [1][2][3].
2. Why overtime withholding appears on Box 2
Overtime pay is ordinary wages for federal withholding purposes; any federal income tax the employer takes out of overtime checks is included in the year‑end total in Box 2. W‑2 guidance explains Box 1 contains taxable wages (regular pay, bonuses, taxable fringe benefits) which feed the tax calculation, while Box 2 is the withheld tax reported to you and the IRS [2][3].
3. Where to look if numbers don’t match your paystubs
If your Box 2 total seems low relative to your paystubs’ cumulative withholding, employers and payroll offices note several reasons: timing differences between pay dates and calendar cutoff, pretax deductions that reduce Box 1 but not necessarily Box 2 interpretations, or claiming exempt status on Form W‑4 that halts federal withholding [4][3]. University and payroll guides explicitly advise checking pay period dates and withholding elections when investigating discrepancies [4][5].
4. Other boxes that show related amounts (context, not duplicates)
Box 1 reports taxable wages (the income base used to compute tax), while boxes 3 and 5 show Social Security and Medicare wages and boxes 4 and 6 show those taxes withheld — these are separate from Box 2’s federal income tax withholding and can differ from Box 1 if pretax items or caps apply [2][6]. Box 12 and Box 14 can carry codes or employer notes about specific benefit amounts but do not replace Box 2’s federal withholding total [7][6].
5. What available sources do not mention
Available sources do not mention any separate or special W‑2 box that isolates federal tax withheld specifically from overtime pay as distinct from other wages; they present withholding as a cumulative Box 2 total without line‑item breakdowns by pay type [1][2].
6. Practical steps if you need a breakdown
Because Box 2 is an annual total, obtain a paystub history or ask your employer’s payroll department for a year‑to‑date withholding report if you want withholding attributable only to overtime pay; institutional payroll pages and guides recommend reviewing year‑to‑date paystubs and contacting payroll for itemized records [5][4]. The IRS publications referenced explain reporting totals on forms but do not prescribe a W‑2 box for pay‑type breakdowns [8][6].
7. Competing viewpoints and limitations in sources
All cited payroll, university, and IRS materials align: Box 2 is the federal withholding box [1][2][3]. There is no authoritative guidance in the supplied sources showing any alternate location on Form W‑2 for withholding from specifically overtime pay; they uniformly treat withholding as an aggregated annual figure [1][2]. Limitations: my analysis is confined to the provided documents and web guides; these sources do not include every employer payroll system’s practices or any private payroll vendor reports that might supply supplemental breakdowns [1][5].
If you want, I can draft a short script/email you can send to payroll requesting a year‑to‑date itemization showing overtime wages and the federal withholding taken from those overtime payments (paystub dates and pay IDs are helpful).