Pension Calculator
Estimate how your UK pension pot could grow with regular monthly contributions and assumed investment growth. Use for workplace or personal pensions in GBP.
Include employer contribution if you want.
How to use the pension calculator
Enter your current pension pot (or zero if you are just starting), how much you and your employer pay in each month, how many years until you plan to retire, and an assumed annual growth rate. The calculator shows an estimated future pot value. Growth is not guaranteed; use this for illustration only.
Tax relief on contributions is not added automatically. If you get relief at your marginal rate, your actual cost is lower than the contribution amount; you can factor that in when planning.
Frequently asked questions
How does the UK pension calculator work?
You enter current pot, monthly contribution, years to retirement and growth rate. It compounds monthly to give an estimated future pot. It does not include tax relief automatically.
What growth rate should I use?
Many use 4–6% a year for a mixed pension fund; returns are not guaranteed. Use a conservative rate (e.g. 3–4%) for cautious planning.
Does this include employer contributions?
Add your and your employer's contributions together in the monthly contribution field to include both.
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<p>Calculator: <a href="https://onlinecalculator.co.uk/finance/pension-calculator" target="_blank">Pension Calculator</a> - OnlineCalculator.co.uk</p>APA Style Citation:
OnlineCalculator.co.uk. (2025). Pension Calculator. Retrieved from https://onlinecalculator.co.uk/finance/pension-calculatorNote: This calculator is free to use and reference. No permission required for educational or commercial citation.