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    2029 Pension Changes Confirmed

    Find out how the new NI rules will affect your retirement pot

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    Pension Calculator (UK)Model Your Pension Growth

    This calculator models how a pension may grow over time. It does not show how pension income is taxed or drawn in retirement. Enter your income and monthly contribution to project your future pot.

    Updated March 2026

    Pension Settings

    Configure your pension contributions and expected returns

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    £
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    We'll show you a range of possible outcomes. Historical UK pension returns have averaged 5-6% after fees.
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    How Your Pension Could Grow Over Time

    Watch your savings grow from contributions and investment returns (in today's money)

    Y0Y1Y2Y3Y4Y5Y6Y7Y8Y9Y10Y11Y12Y13Y14Y15Y16£0k£65k£130k£195k£260k
    • Growth Range
    • Most Likely Value

    What This Costs You Each Month

    How your take-home pay changes with pension savings

    If you don't save into your pension£2,635
    If you do save into your pension£2,675

    Your take-home pay increases by

    £40

    per month

    Your Pension Snapshot

    What you could have when you retire

    Your pension pot at retirement

    £199,873

    Most likely outcome

    Free money from tax relief

    £46,320

    Government bonus over 16 years

    If investments underperform

    £160,132

    Lower growth scenario

    If investments do really well

    £251,901

    Higher growth scenario

    Assumptions & Notes

    Save to Your Financial Plan

    Your saved details will pre-fill other calculators automatically so you do not have to re-key information and can access your saved calculations at any time.

    Calculations use 2025–26 tax rates and assume standard personal allowance. This tool is for guidance only.

    What's Next?

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    UK FIRE Guide

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    MR

    About the author

    Melanie Reed is a fintech and product specialist with 13+ years' experience building mortgage, investment, savings and retirement tools at companies including Aviva, Lendinvest, Money Advice Trust and Luno. She develops calculators and content that simplify complex UK financial decisions, covering pensions, mortgages, tax-efficiency and long-term savings.

    Frequently Asked Questions

    Common questions about pension calculators

    Want to See Your Pension Grow?

    Our pension calculator shows how much you could have in retirement – and how a little extra now can make a huge difference later.

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