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Losing a job is hard enough. Figuring out your final payout shouldn't be. Estimate your exact net take-home pay from a severance package, including PTO payouts, while accounting for the tricky 22% supplemental tax rate.
Updated for 2024–2025 IRS Supplemental Wage Regulations
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The IRS views lump-sum severance pay not as a standard paycheck, but as "supplemental wages"—the exact same bucket they place bonuses, commissions, and retroactive pay.
By default, employers are legally required to withhold a flat 22% rate for federal taxes on supplemental wages (if under $1M). Because this is a flat rate, it completely ignores your standard W-4 allowances.
You cannot escape FICA! The government requires the standard 6.2% for Social Security and 1.45% for Medicare be withheld from severance pay the same way it is taken from every normal paycheck.
When negotiating a severance package, deciding *how* the money is paid out can significantly change the immediate cash flow you have to bridge the gap until your next job.
Payouts for accrued but unused vacation time or PTO are treated identically to severance—as supplemental income. Whether it is rolled into your final severance check or paid directly upon termination, it faces the same 22% flat federal withholding rule.
Severance net pay is the amount you actually keep after all required tax withholdings are removed from your severance package. During a transition period, this number matters more than gross severance because it determines your real cash runway.
Understanding net severance helps with budgeting, benefit planning, debt obligations, and negotiation strategy when choosing between payout structures.
Net Severance = Gross Severance - (Federal Withholding + FICA + State Withholding)
One-time payout plus unused PTO; high immediate withholding but possible tax refund later.
Regular payroll checks for several months help smooth cash flow and potentially reduce withholding spikes.
Comparing state withholding assumptions can materially change expected take-home severance.
| Scenario | Payment Method | Federal Withholding Style | Cash-Flow Experience |
|---|---|---|---|
| Immediate transition fund | Lump sum | Supplemental flat withholding | High upfront cash, heavier withholding |
| Stability-first | Salary continuation | Standard payroll withholding | Smoother periodic net pay |
| High PTO payout included | Either | Depends on payroll setup | Potentially larger tax holdback |
| Scenario | Payment Method | Federal Withholding Style | Cash-Flow Experience |
|---|---|---|---|
| Immediate transition fund | Lump sum | Supplemental flat withholding | High upfront cash, heavier withholding |
| Stability-first | Salary continuation | Standard payroll withholding | Smoother periodic net pay |
| High PTO payout included | Either | Depends on payroll setup | Potentially larger tax holdback |Help others navigate layoffs or job transitions by sharing this free tool to estimate their financial runway.
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