Severance Pay Calculator

Estimate your severance package based on years of service, weekly salary, and company policy. Includes a tax estimate and projected take-home amount.

Annual Salary ($)

Weekly salary = Annual ÷ 52

Years of Service

Severance Policy (weeks per year of service)

Minimum Statutory Weeks (optional)

What is a Severance Pay Calculator?

A severance pay calculator estimates the lump-sum or continuing compensation an employee may receive when their employment is terminated — most commonly through layoff, redundancy, or mutual separation. Severance serves as a financial bridge between jobs, compensating the departing employee for the disruption of involuntary job loss. The calculation is typically based on the employee's length of service, base salary, and position level, following either a statutory formula or a company-specific policy.

In the United States, severance pay is not legally required except in specific circumstances (such as the WARN Act, which requires 60 days notice or pay-in-lieu for mass layoffs above a threshold). However, many employers offer severance as a goodwill gesture or as consideration for signing a separation and release agreement waiving future legal claims. Common US formulas range from one to two weeks of pay per year of service. In the UK, statutory redundancy pay is a legal entitlement calculated using a government formula based on age, weekly pay (capped at £643 in 2024/25), and years of service up to 20.

The severance pay calculator is used by employees evaluating a severance offer and comparing it to their expected entitlement, HR professionals drafting separation packages, and employment lawyers advising clients on settlement values. Inputs typically include annual salary, years of service, and multiplier (weeks per year of service), with options for UK statutory calculations. Tax considerations — severance may be tax-free up to £30,000 in the UK, while US severance is fully taxable — should be factored into the net take-home calculation.

How Severance Pay Is Calculated

Weekly Salary = Annual Salary ÷ 52

Severance Weeks = Years of Service × Weeks per Year (policy)

Severance Weeks = max(Calculated Weeks, Minimum Statutory Weeks)

Gross Severance = Severance Weeks × Weekly Salary

Tax Estimate = Gross Severance × 25%

Take-Home = Gross Severance − Tax Estimate

How the Severance Pay Calculator Works

Formula, assumptions, and calculation steps for this hr tool.

Formula Used

Severance = Weeks of Pay per Year of Service x Years Employed x Weekly Salary

Methodology

Multiplies years of service by the applicable severance formula, commonly weeks of pay per year, and the weekly salary.

Calculation Steps

Enter employee counts, pay rates, dates, or policy values.
Normalize values to the same period.
Apply the HR metric or benefit rule.
Show the result with remaining allowance, cost, or rate.

Assumptions and Limits

Company policy and local labor law can change exact results.
Benefits and payroll tax rules vary by jurisdiction.
Use HR or legal review for policy decisions.

Frequently Asked Questions

What is severance pay?

Severance pay is compensation an employer provides to an employee who is laid off, made redundant, or let go through no fault of their own. It is typically calculated based on years of service and weekly salary. Severance is not legally required in the US under federal law, but many employers offer it as a goodwill gesture or per company policy.

Is severance pay taxable?

Yes. In the US, severance pay is subject to federal income tax, Social Security tax (6.2%), and Medicare tax (1.45%). Employers typically withhold a flat 22% federal supplemental withholding rate (or the aggregate method), plus applicable state taxes. Your actual tax liability may differ based on your total income for the year.

What is the difference between severance and redundancy pay?

In the US, severance and redundancy pay are used interchangeably for packages given to employees whose positions are eliminated. In the UK, statutory redundancy pay is a legal minimum calculated by age and years of service (up to £643/week in 2024). Severance in the UK typically refers to additional contractual or negotiated pay above the statutory minimum.

What is COBRA continuation coverage?

COBRA (Consolidated Omnibus Budget Reconciliation Act) allows you to continue your employer-sponsored health insurance for up to 18 months after leaving a job. The catch is you pay the full premium (employee + employer share) plus a 2% admin fee. This can cost $500–$800/month for an individual or $1,500–$2,000 for a family.

What can I negotiate in a severance package?

Beyond the base severance amount, you can often negotiate: extended health insurance coverage, accelerated vesting of stock options, non-disparagement clauses, outplacement services, reference letter agreements, extended use of company equipment, retention of certain company perks, and the timing and structure of payments for tax optimization.

Real-World Applications

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Redundancy Package Negotiation

Employees who receive a formal redundancy notice use the calculator to verify whether the offered package meets the statutory minimum (UK) or company policy (US). Knowing the calculated entitlement provides an objective basis for negotiating enhanced severance — many employers offer above-statutory packages when employees are willing to sign a compromise agreement waiving future employment claims.

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HR Restructuring Budget Planning

HR directors and CFOs use severance calculations to budget restructuring or reduction-in-force (RIF) programmes before announcing headcount reductions. By calculating the severance liability for each affected employee based on salary and tenure, the total programme cost can be estimated and provisioned in financial accounts before any announcements are made.

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Employment Law Dispute Settlement

Employment lawyers and tribunals calculate severance pay as a baseline for settlement negotiations when an employee alleges wrongful dismissal, unfair redundancy, or WARN Act violations. The statutory severance formula provides an objective floor, while negotiated settlements for more senior or longer-tenured employees often exceed the statutory minimum.

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C-Suite Executive Departure Packages

Executive severance agreements — negotiated in employment contracts and sometimes disclosed in proxy statements for public companies — typically exceed standard employee severance with provisions for continuation of health benefits, equity vesting acceleration, and non-compete compensation. The base severance calculation uses salary × tenure multiplier but adds equity and benefit values to reach the total separation cost.

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Personal Financial Planning After Job Loss

Individuals who receive or anticipate a severance package calculate the net after-tax amount to plan a job search runway — estimating how many months the severance covers at their current monthly expenses. In the US, severance is fully taxable as ordinary income; in the UK, up to £30,000 is tax-free, significantly increasing the net amount for shorter-tenure employees.

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International Workforce Reduction Planning

Multinational companies restructuring across countries compare statutory severance requirements across jurisdictions — European countries tend to have more generous statutory requirements than the US, with France, Belgium, and Germany mandating significant notice periods and redundancy payments based on tenure. Cross-country severance modelling informs decisions about where to restructure and the total cost of workforce reductions.

Common Mistakes

Confusing notice pay with severance pay

Notice pay (pay in lieu of notice, or PILON) compensates the employee for the contractual notice period — it is a separate entitlement from severance pay. An employee with 3 months' contractual notice and 5 years of service is entitled to both their notice pay and their severance — receiving only one of these components is an underpayment.

Using base salary only and ignoring bonuses and benefits in the calculation

Some severance formulas and legal standards incorporate average total compensation — including regular bonuses, commission, and the value of benefits — rather than base salary alone. Using base salary for an employee who earns 30% of their compensation as bonus significantly understates the severance figure. Always check whether the applicable policy or statute defines "salary" as base only or total compensation.

Not checking whether the WARN Act (US) or collective redundancy rules (UK) apply

The US WARN Act requires 60 days' advance notice (or pay-in-lieu) for mass layoffs affecting 50+ employees at a single site. The UK's collective redundancy rules require a minimum 45-day consultation period for 100+ redundancies within 90 days. These statutory obligations are separate from individual severance calculations — failing to comply results in financial penalties, not just severance liability.

Assuming severance is tax-free (US context)

In the United States, severance pay is fully taxable as ordinary income and is subject to FICA taxes (Social Security and Medicare). Many employees are surprised to receive a severance net pay significantly less than the gross amount negotiated. Planning for the tax impact — understanding the net amount available for a job search fund — is essential for realistic financial planning after a layoff.

Not negotiating the severance package before signing a release

Most US severance agreements require signing a release of legal claims against the employer in exchange for the payment. Once signed, the release is binding. Employees who sign without negotiating — or without consulting an employment lawyer — may forfeit the ability to pursue legitimate claims (discrimination, wage theft, WARN Act violations) that could be worth more than the offered severance amount.

UK Statutory Redundancy Pay Quick Reference (2024/25)

Age During Service Year	Weeks Pay Per Year of Service	Weekly Pay Cap
Under 22	½ week	£643
22–40	1 week	£643
41 or over	1½ weeks	£643
Maximum service	20 years (capped)	—
Maximum statutory pay	£19,290	(30 weeks × £643)

References

UK Government. Statutory Redundancy Pay. gov.uk, 2024.
US Department of Labor. The WARN Act: Worker Adjustment and Retraining Notification. dol.gov, 2024.
NLRB. Employer/Union Rights and Obligations. nlrb.gov, 2024.
ACAS. Redundancy: Your Rights. acas.org.uk, 2024.
SHRM. Managing Employee Separations. shrm.org, 2024.