Two different kinds of money
When a job ends, two payments may be on the table, and they are governed by entirely different rules. Final pay is compensation you already earned: your last wages, and in many states your accrued, unused vacation. It is owed to you by law, on a statutory deadline, and no employer may condition it on anything. Severance is money you have not earned — a contract payment the employer offers, almost always in exchange for a release of legal claims. One is a debt; the other is a deal.
Final pay: the rules that protect you
State law sets both the deadline and the contents. California requires the final check on the day of discharge and adds waiting-time penalties — up to 30 days of wages — for late payment; other states allow until the next regular payday. Roughly half the states treat accrued vacation as earned wages that must be paid out; the rest permit forfeiture policies if they were clearly communicated. Commissions earned but not yet paid, and expenses incurred but not yet reimbursed, belong in final pay as well.
Severance: the negotiation
Severance has no statutory floor and no deadline — it is whatever the agreement says. That makes it negotiable in a way final pay never is: weeks of pay, benefits continuation, equity terms, and the scope of the release are all on the table. The conventions and levers are in how severance is calculated.
The confusion that costs people money
The classic maneuver is bundling: a separation letter offering "two weeks of severance" that quietly includes the vacation payout you were already owed — making the actual severance nearly zero. Before evaluating any offer, itemize what you are legally owed (final wages, accrued PTO under your state's rule, commissions, expenses) and subtract it. What remains is the true severance, and that is the number to weigh against the claims you would waive. The Severance Estimator gives you the conventional range; your state labor department's wage division enforces the final-pay side for free.
A worked itemization: finding the real severance
Say an employee earning $70,000 is terminated with one week of wages unpaid and nine days of accrued PTO. The math, using the standard conversions (weekly pay is salary ÷ 52; daily pay is salary ÷ 260 working days):
- Final week's wages owed: $70,000 ÷ 52 ≈ $1,346
- Accrued PTO owed (in a state that treats it as earned wages): 9 days × ($70,000 ÷ 260) ≈ $2,423
- Owed regardless of any deal: ≈ $3,769
Now the separation letter offers "four weeks of severance" — $5,385. If that figure quietly bundles the owed amounts, the actual severance is $5,385 − $3,769 ≈ $1,615, or about 1.2 weeks — not four. Hypothetical illustration, but the arithmetic is the single most valuable sixty seconds in evaluating any offer: subtract what you are owed from what is offered before you weigh the release.
When the final pay itself is short
Final-pay disputes have a free enforcement path that severance disputes lack. Every state labor department takes wage claims — typically a simple form, no filing fee, and deadline windows that range from months to a few years depending on the state and claim type. Gather the paper trail first: the final timesheet or records of hours worked, the pay stubs showing the pay cycle, the PTO balance from a handbook, offer letter, or portal screenshot, and any written termination communication. Note that signing a release generally cannot extinguish wages already earned — if a "severance" agreement purports to pay you your own final wages in exchange for waiving claims, that clause is the bundling trap in its most aggressive form and is worth an attorney's look before you sign.
Reading the release with both numbers in hand
The release is what converts a severance offer from money into final money: signed, it waives the claims that gave the offer its negotiation value. Read what the consideration actually covers (base pay only, or benefits too), what claims are waived (age and discrimination claims carry federal review windows and rules of their own), and what obligations attach (confidentiality, non-disparagement, non-compete). The conventional value of the deal is in how severance pay is calculated, the levers for improving it are in factors that affect severance, and the state-level wrinkles — payout rules, claim deadlines, non-compete enforceability — are in state employment considerations.