25% Tax Free Lump Sum Calculator

 What is the Tax Free Lump Sum Calculator?

The 25% Tax Free Lump Sum Calculator helps you estimate how much tax-free cash you can take from your UK pension under current Lump Sum Allowance rules. It shows the maximum available 25 per cent, how much of your allowance you have left, and how much tax you may pay if you withdraw more than the tax-free limit.

How the Calculator Works?

You enter your pension pot value, remaining Lump Sum Allowance, and any previous tax-free cash taken. You then choose the lump sum you want to model: the maximum 25 per cent, a custom amount, or a percentage of your pot.

The calculator compares your chosen lump sum to your remaining allowance, splits it into tax-free and taxable parts, and estimates the income tax due based on your other income for the year. It then shows the net amount you receive and the remaining pot value.

Step One: Enter Your Pot and Allowances

Add your pension pot value, age, and any tax-free cash already taken. Choose whether you’re using the standard Lump Sum Allowance or a custom allowance (for protection cases).

Step Two: Choose Your Lump Sum

Select whether you want to take the maximum 25 per cent tax-free amount or enter a custom lump sum in pounds or as a percentage of your pot.

Step Three: Add Your Other Taxable Income

Enter your salary or other taxable income for the year. This allows the calculator to estimate income tax on any part of the lump sum that is taxable.

Disclaimer: This calculator provides illustrative estimates only and does not constitute financial advice. Lump Sum Allowance rules and income tax bands may change. Pension withdrawals depend on your provider’s rules and personal situation. Speak to a regulated adviser for personalised guidance.

What does retirement mean to you?

Traditional retirement is broken. Understand how our calculator enables you to live a better life now vs later.

Retire from corporate work?

Use the tool to utilise how you can step away from the corporate world and live life on your own terms.

Work less, live more

See how part-time or project-based work can bridge your income gap while giving you more time for life.

Freedom through planning

Understand how your savings, spending and investments can work together to buy back your time.

Test-drive retirement early

Model scenarios that let you experience elements of retirement before fully stepping away.

What is the 25% Tax Free Lump Sum Calculator?

It shows how much tax-free cash you can take from your pension, how much of your allowance you use, and how much tax you may owe if part of your lump sum is taxable.

Can I always take 25% of my pension tax-free?

For most people, 25% of the part of the pension they start taking can be tax-free, but it is not an automatic entitlement to 25% of every pot. Your remaining lump sum allowance, tax-free cash already taken, protected allowances and scheme rules can all change the figure. Use the calculator as an estimate and ask each provider to confirm what is available before making a withdrawal.

What is the lump sum allowance?

The lump sum allowance limits how much tax-free pension cash most people can take across all their pensions. For 2026/27 the standard allowance is £268,275. That broadly preserves 25% tax-free cash on pension wealth up to £1,073,100, but it is a lifetime total rather than a fresh allowance for every pension. The calculator should therefore include tax-free cash you have already used.

What if my pension is worth more than £1,073,100?

You may still be able to take 25% of the part you crystallise, but the standard tax-free amount is normally capped by your remaining lump sum allowance. Pension withdrawals above the tax-free element are usually taxable as income. Some people have valid pension protections that give them a higher entitlement, so this is one of those cases where the provider’s formal calculation matters more than a general calculator.

Does taking tax-free cash trigger the Money Purchase Annual Allowance?

Taking a pension commencement lump sum on its own will not normally trigger the Money Purchase Annual Allowance. Taking taxable flexible income often will. That distinction matters if you are still contributing to defined contribution pensions, because the lower allowance can restrict future tax-relieved saving. Check how the provider will record the transaction before you press ahead, especially if the withdrawal mixes tax-free and taxable money.

Can I take tax-free cash from one pension and leave the others alone?

Usually, yes. You do not normally have to crystallise every pension at the same time. You might take cash from one arrangement and leave another invested, although scheme rules and available withdrawal options vary. The important bit is to track the tax-free cash used across all pensions, not treat each pot as if it has its own separate lifetime allowance.

Is it better to take the lump sum now or in stages?

There is no universal winner. Taking it now can clear expensive debt, fund a planned purchase or create an accessible cash reserve. Taking it in stages leaves more money inside the pension and may spread decisions over several tax years. Compare the actual purpose of the cash, the tax position, investment risk, fees and what you would do with the money once it is outside the pension.

What happens to the rest of my pension after I take 25%?

The balance can normally remain invested in drawdown, be used to buy an annuity or be taken through another permitted route. It does not disappear, but its future value will depend on withdrawals, charges and investment returns. If you take a large lump sum and then rely on the remaining pot for income, rerun the wider retirement plan with the smaller starting balance.

Does the calculator include tax on later withdrawals?

This calculator focuses on the tax-free lump sum. Later taxable pension withdrawals are a separate calculation and normally sit alongside your State Pension, earnings and other taxable income when working out Income Tax. Use the Pension Drawdown Tax Calculator for that next step, because a tax-free lump sum can look attractive in isolation while the later income plan still needs work.

What if I have already taken pension benefits under the old lifetime allowance rules?

Previous benefit crystallisation events can reduce the tax-free allowance you have left under the post-2024 system. The conversion is not always obvious from an old statement, particularly where protections or earlier lump sums are involved. Enter the best confirmed amount you have, but ask the provider for your remaining lump sum allowance if the decision is material.

What should I check before using the result?

Check the current pension value, whether you have already started taking benefits from any part of it, tax-free cash used before, and any scheme restrictions or protected rights. Then decide what the cash is meant to do. Tax-free cash is not always the best choice. It needs to improve the wider retirement plan, not just increase the bank balance today.

Certified Money First Aider registered badge

Trust and education

Certified Money First Aider®

These calculators are built by a Certified Money First Aider to help you think more clearly about money and time. Money First Aid® is about practical, non-judgemental support for financial wellbeing. The calculators can certainly help you make informed decisions, but they are not regulated financial advice.

Behind Retirement Calculators

Built from the questions I was asking myself

I'm Ryan, the person behind Retirement Calculators. I started the site after selling an online business and trying to understand what our pensions, ISAs, investments and property actually meant for the way we wanted to live.

The calculators are built around those real decisions: whether you could work less, retire earlier, spend more now or use your money differently. They will not give you a perfect answer, but they can make the trade-offs much easier to see.

Have an idea for a calculator, spotted something that could be clearer, or want to ask me about the site?

Ryan, founder of Retirement Calculators

Let me help you navigate the road to retirement

Free. Unsubscribe any time.