Final Salary Pension Calculator

How final salary (defined benefit) pensions work

A defined benefit (DB) pension — often called a "final salary" scheme — promises a guaranteed income in retirement based on your salary and the number of years you worked for that employer. Unlike defined contribution schemes, investment risk is borne entirely by the employer, not you.

The benefit is determined by a simple formula: accrual rate × years of service × pensionable salary. The most common accrual rates are 1/60 (meaning you earn 1/60th of final salary for each year) or the older, less generous 1/80 rate (plus a tax-free lump sum of 3× pension).

DB pensions are now almost exclusively found in the public sector — NHS, teachers, civil service, local government, police, and armed forces. Private sector DB schemes have been largely closed to new members since the early 2000s due to their cost and funding risk to employers.

Your pension income is paid for life, rises each year with inflation (within limits), and often includes a spouse's pension on death. These features make DB pensions exceptionally valuable — the envy of those in DC schemes.

Calculating your estimated pension income

The annual pension income formula is straightforward: (Years of Service ÷ Accrual Rate Denominator) × Pensionable Salary. For a 1/60 scheme with 25 years and £45,000 final salary: 25/60 × £45,000 = £18,750/year.

For a 1/80 scheme, the same scenario gives 25/80 × £45,000 = £14,062.50/year, but you also get a tax-free lump sum of 3× pension = £42,187.50. Some schemes let you commute pension for extra lump sum, or vice versa.

Pensionable salary may differ from your total pay. Check your scheme rules — some exclude overtime, bonuses, or contributions-in-kind. For CARE schemes, pensionable salary is different again (see below).

Most schemes pay a Normal Pension Age (NPA) — typically 60, 65, or state pension age depending on when you joined. Taking your pension before NPA triggers an actuarial reduction (see later section).

CARE vs final salary: key differences

Career Average Revalued Earnings (CARE) schemes have largely replaced traditional final salary arrangements in the public sector following the 2011–2015 reforms. In a CARE scheme, pension accrues each year based on that year's salary (not your salary at retirement), and is revalued annually — typically by CPI inflation — to maintain real value.

For fast-rising careers (e.g., reaching a senior grade late), CARE schemes are less generous than a final salary scheme because earlier, lower-salaried years count with less weight.

For those with steady or gradually rising salaries, CARE and final salary schemes produce similar outcomes, particularly over a full career.

Key public sector CARE schemes include: NHS Pension Scheme (1/54 accrual, CPI revaluation), Teachers' Pension Scheme (1/57 accrual), Civil Service (alpha scheme, 2.32% of pay per year = effectively 1/43), Local Government Pension Scheme (1/49 accrual).

Final salary vs CARE: quick comparison

• Final salary: pension based on salary at or near retirement — benefits fast-rising careers
• CARE: pension based on each year's salary, revalued by CPI — more equitable across career stages
• Both: employer bears investment risk; pension paid for life
• Both: spouse/dependant pension on death (typically 50% of member pension)
• Both: index-linked in payment (public sector: CPI; private sector: may be capped)
• CARE now standard in NHS, teachers, civil service, LGPS from 2014–2015 reforms

Transfer value (CETV): when is it worth taking the money?

You can request a Cash Equivalent Transfer Value (CETV) from your DB scheme — a lump sum you transfer to a DC pension in exchange for giving up your DB entitlement. The CETV is calculated by the scheme actuary and represents the estimated cost of providing your DB benefits.

Typical CETV multiples: public sector DB schemes often quote 20–25× annual pension; some private sector schemes (with weaker covenant or less generous indexation) may quote 25–35× or even higher during low-interest-rate environments.

A CETV of 25× a £20,000/year pension = £500,000 to transfer. Whether this is "good value" depends on your health, investment appetite, alternative income sources, and whether you need flexibility. Most financial advisers (and the FCA) are cautious: the guaranteed income a DB pension provides is extremely hard to replicate from a DC pot.

Transfers over £30,000 require regulated financial advice by law. The FCA has found that many transfers were not in clients' interests — be sceptical of any adviser who recommends transferring without thoroughly exploring the downsides.

The critical yield — the investment return your DC pot must achieve to match DB income — is typically 5–7% per year net of charges. This is achievable but not guaranteed over a long retirement.

Early retirement and actuarial reductions

Taking your DB pension before its Normal Pension Age (NPA) means your annual pension is actuarially reduced to reflect the fact that it will be paid for longer. Reductions are typically 3–6% per year you retire early, though exact rates vary by scheme.

Example: a teacher with NPA of 67 retiring at 63 would face a 4-year early retirement. At a 5% reduction per year, the pension is cut by approximately 18.5% (compounded). A £20,000 pension becomes roughly £16,300/year.

Some DB schemes have a protected retirement age — particularly for those who joined before certain reform dates. Firefighters, police, and some NHS members may have protections for lower NPAs under transitional arrangements.

Many DB schemes also allow flexible retirement — drawing pension whilst continuing to work part-time, which avoids a full actuarial reduction. Check scheme rules before making any decision.

Public vs private sector DB pension differences

The public sector DB landscape is dominated by large, unfunded schemes backed by the government: NHS Pension Scheme, Teachers' Pension Scheme, Civil Service Pension Scheme (alpha), Local Government Pension Scheme (LGPS — funded), Police Pension Scheme, and Armed Forces Pension Scheme.

Indexation in public sector schemes: pension in payment rises by CPI each April. In 2023/24, this was 6.7%; in 2024/25, 4.0%; future increases depend on inflation.

Private sector DB schemes are funded through pension trusts and regulated by The Pensions Regulator. They are insured against employer insolvency via the Pension Protection Fund (PPF), which pays 90% of accrued pension (for those not yet retired) or 100% (if already receiving) up to a compensation cap.

Private sector DB indexation varies: many schemes index by CPI or RPI capped at 2.5% or 5% per year. Some older schemes have no indexation at all for pension accrued before 1997.

If your private sector employer is considering closing its DB scheme or cutting benefits, you will receive at least 45 days' notice and the right to consult. Seek independent advice before any changes to your entitlement.