Pension Calculator
Calculate your pension income for Defined Benefit (DB) or Defined Contribution (DC) schemes.
Annual Pension
$0
Monthly Pension
$0
Pension as % of Final Salary
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Understanding Pension Calculations
A pension calculator helps you estimate your retirement income based on your pension scheme type. There are two main categories: Defined Benefit (DB) and Defined Contribution (DC) pensions, and each works very differently in terms of how your retirement income is determined.
Defined Benefit (DB) Pensions
In a DB scheme, your pension is calculated using a straightforward formula: Annual Pension = Final Salary × Years of Service × Accrual Rate. Common accrual rates are 1/60th (more generous) and 1/80th. For example, 30 years of service at a 1/60th accrual rate means you receive 30/60 = 50% of your final salary as an annual pension. DB pensions are sometimes called "final salary" or "career average" pensions and are common in public sector employment in both the US and UK.
Defined Contribution (DC) Pensions
DC pensions work like investment accounts. You and your employer contribute money, which is invested in funds that grow over time. Your retirement income depends on the total pot accumulated and how you choose to draw it down. This calculator uses the future value of a growing annuity to project your pot size, then applies the widely referenced 4% safe withdrawal rate to estimate sustainable annual income. Actual returns will vary with market conditions, fees, and asset allocation. Whether you have a workplace 401(k), a personal pension, or a SIPP, this tool provides a useful starting estimate for retirement planning.
Disclaimer: This calculator is for informational purposes only and does not constitute financial, tax, or legal advice. Always consult a qualified professional for decisions specific to your situation.
Frequently Asked Questions
What is the difference between Defined Benefit and Defined Contribution pensions?
A Defined Benefit (DB) pension guarantees a specific retirement income based on your salary and years of service. Your employer bears the investment risk. A Defined Contribution (DC) pension depends on how much you and your employer contribute and how investments perform. You bear the investment risk in a DC plan.
What are common accrual rates for DB pensions?
Common accrual rates are 1/60th and 1/80th of your final or average salary per year of service. A 1/60th scheme is more generous — after 30 years, you'd receive 30/60 = 50% of your salary. A 1/80th scheme would give 30/80 = 37.5%. Some public sector schemes in the UK use 1/57th or 1/49th for career average pensions.
What is pension commutation?
Pension commutation allows you to exchange part of your annual pension for a tax-free lump sum at retirement. Typically, for every £1 of annual pension you give up, you receive a lump sum of £12-£20 depending on your age and scheme rules. This is common in UK DB pensions and public sector schemes.
How does a pension differ from a 401(k)?
A traditional pension (DB) provides a guaranteed income for life based on salary and service. A 401(k) is a DC plan where you contribute pre-tax dollars, often with an employer match. 401(k) balances depend on market performance and you choose how to invest. Pensions are increasingly rare in the private sector, while 401(k) plans are the most common US employer-sponsored retirement plan.