Retirement Calculators
Explore our comprehensive range of UK-focused retirement planning tools. Model ISAs, pensions, property, spending and more to make calmer, better informed decisions about money and time.
ð¯Comprehensive Planning Tools
Our calculators cover pensions, ISAs, property, FIRE planning, tax optimization, and more. Each tool is built specifically for UK tax rules, State Pension, and the unique aspects of UK retirement planning.
ð¡How to use these calculators
Start with the popular calculators below, or browse by category. Each calculator is designed to work independently, but many complement each other to give you a complete picture of your retirement planning options.
Start with these popular calculators
These tools are the best starting point for understanding your retirement options. They help you find your retirement age, calculate your FIRE number, and compare different strategies.
Early Retirement Feasibility Calculator (FIRE Age Finder)
Discover the earliest age you can retire by modelling your SIPPs, ISAs, GIAs, cash and investment returns. See how your current trajectory affects your FIRE timeline.
25% Tax-Free Lump Sum Calculator
Calculate how much tax-free cash you can take from your pension and see how it affects your remaining pension pot and future income.
FAD vs UFPLS vs Annuity Comparison Tool
Compare Flexible Access Drawdown, Uncrystallised Funds Pension Lump Sum, and Annuity options to find the best withdrawal strategy for your needs.
Coast FIRE Calculator
Work out how much you need invested today so your money can grow to fund retirement laterâwithout any further contributions. Perfect for planning a lower-stress career transition.
Sell vs Keep Your BTL for Retirement Tool
Compare selling your buy-to-let property and investing the proceeds versus keeping it for rental income. Model capital gains tax, rental yields and investment returns.
Longevity Risk Calculator
Model how long your retirement savings might need to last. Understand longevity risk and see how planning for different lifespans affects your retirement strategy.
Cash ISA vs Stocks & Shares ISA Calculator
Compare Cash ISAs and Stocks & Shares ISAs to see which better supports your retirement goals. Model growth rates, risk levels and tax efficiency over time.
Die With Zero Calculator (UK Specific)
Model how to spend your wealth to zero by the end of your life. Balance enjoying your money now with ensuring you don’t run out, optimized for UK tax rules and State Pension.
Browse By Calculator Category
Explore calculators by category. Each category page includes featured tools, journey guides, and all calculators in that category.
FIRE & Early Retirement
For people who want work to become optional well before traditional retirement ages. Model your FIRE number, bridge years and different lifestyle levels.
Pension Calculators
Plan your pension strategy with UK-focused tools. Model SIPPs, workplace pensions, tax-free lump sums and withdrawal strategies to optimise your retirement income.
Property, Mortgage & BTL
See how your home and any rental properties support your retirement plans. Compare selling, keeping, overpaying the mortgage or using equity as part of your strategy.
Tax Optimisation
Explore how to use ISAs, pensions and efficient wrappers so you keep more of your returns. These tools highlight the long term impact of fees, allowances and tax planning.
All Retirement Calculators
Browse all our retirement planning calculators. These tools cover pensions, ISAs, property, FIRE planning, tax optimisation, lifestyle planning, and more. Each calculator is designed specifically for UK tax rules and retirement planning.
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FIRE Burn Rate Calculator (UK Specific)
What is the FIRE Burn Rate Calculator? The FIRE Burn Rate Calculator helps you understand how your annual spending directly affects your FIRE number and how quickly you can reach financial independence. By tracking your real spending and linking it to your investments and pensions, it shows how small changes…
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Lump Sum Investment Calculator (UK)
What is the Lump Sum Investment Calculator? The Lump Sum Investment Calculator helps you decide how to allocate a large one-off sum of money across UK investment vehicles in the most tax-efficient way. It is designed for situations such as a business sale, inheritance, redundancy payout or other windfall, and…
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Downsizing vs Passing Home to Children Calculator
What is the Downsizing vs Passing Home to Children Calculator? The Downsizing vs Passing Home to Children Calculator helps UK homeowners compare whether it is financially better to downsize and gift equity to their children during life, or keep the family home and pass it on later through inheritance. It…
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FIRE Number Calculator (UK Specific)
What is the FIRE Number Calculator? The FIRE Number Calculator helps you work out how much money you need to reach financial independence and retire early in the UK. It calculates your personal FIRE number based on your spending, income and investment mix, then projects when you could realistically reach…
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NHS Pension Early Retirement Reduction Calculator
What is the NHS Pension Early Retirement Reduction Calculator? The NHS Pension Early Retirement Calculator helps you understand how taking your NHS pension before your Normal Pension Age could permanently reduce your income. By modelling your scheme type, retirement age and expected pension, it shows how early retirement affects both…
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Probability Of Running Out Of Money Calculator
What is the Probability of Running Out of Money Calculator? The Probability of Running Out of Money Calculator helps you understand how likely it is that your retirement savings could be exhausted during your lifetime. By modelling your pensions, investments, property income and spending across many possible market outcomes, it…
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Die With Zero Calculator (UK Specific)
 What is the Die With Zero Calculator? The Die With Zero Calculator helps you compare a traditional retirement approach with a Die With Zero approach, where spending is prioritised earlier in life when you are most able to enjoy it. The tool models lifetime spending paths, asset run-down, State Pension…
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Cash ISA vs Stocks & Shares ISA Calculator
 What is the Cash ISA vs Stocks & Shares ISA Calculator? The Cash ISA vs Stocks & Shares ISA Calculator helps you compare the long-term growth potential of saving in a Cash ISA versus investing in a Stocks & Shares ISA. It models contributions, interest rates, investment growth and inflation…
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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…
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FAD vs UFPLS vs Annuity Comparison Tool
 What is the FAD vs UFPLS vs Annuity Comparison Calculator? The FAD vs UFPLS vs Annuity Comparison Tool helps you understand how three common UK pension withdrawal methods compare. By modelling your pension pot, tax position and withdrawal choices, it shows how income, tax and remaining pot value differ under…
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Property Leverage Calculator
What is the Property Leverage Calculator? The Property Leverage Calculator helps you model how using sensible UK leverage can accelerate your ability to purchase additional properties, grow rental income, and ultimately support earlier or more secure retirement. By combining UK mortgage rates, rental yields, refinancing rules and cautious long-term growth…
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Buy-to-Let Retirement Income Calculator
What is the Buy-to-Let Retirement Income Calculator? The Buy-to-Let Retirement Income Calculator helps you understand how much annual retirement income your rental property or portfolio can realistically provide. By modelling your rents, costs, voids, mortgage payments and tax, you can see what net income your properties will deliver in retirement…
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Semi-Retirement Cashflow Calculator
What is the Semi-Retirement Cashflow Calculator? The Semi-Retirement Cashflow Calculator helps you model your transition from full-time work into a lower-income, more balanced semi-retired lifestyle. It shows how part-time income, investments and pensions can support your spending as you gradually move away from full-time employment. This lets you test when…
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Crypto International Geo-Arbitrage Calculator
What is the Crypto International Geo-Arbitrage Calculator? The Crypto International Geo-Arbitrage Calculator helps you explore how moving abroad could change the tax treatment of your crypto assets. By combining your crypto balances, account types, and investment horizon with a database of crypto-friendly jurisdictions, the tool highlights where you may be…
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Pension Carry Forward & Annual Allowance Calculator (UK Specific)
 What is the Pension Carry Forward & Annual Allowance Calculator? The Pension Carry Forward & Annual Allowance Calculator helps you understand how much you can contribute to your pension today by combining your annual allowance with any unused allowances from the previous three tax years. It shows your total available…
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Mortgage Payoff Calculator (UK Specific)
 What is the Mortgage Freedom Calculator? The Mortgage Payoff Calculator shows how making overpayments on your UK mortgage can accelerate your payoff date and reduce total interest paid. It compares your current repayment schedule with different overpayment amounts so you can see how much earlier you could become mortgage-free. How…
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Mortality Curve Forecaster (UK Specific)
 What is the Mortality Curve Forecaster? The Mortality Curve Forecaster uses the latest UK ONS mortality data and your lifestyle factors to estimate personalised survival probabilities across the rest of your life. It helps you understand the range of ages you might reasonably plan for, supporting better decisions around retirement…
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Inheritance & Gifting Calculator (UK Specific)
 A calculator to forecast how Inheritance & gifting can impact your own retirement & taxation. The Inheritance & Gifting Calculator shows how future inheritances and planned lifetime gifts may affect your retirement timeline and potential UK inheritance tax. By combining your current savings, investment pots, expected gifts and future inheritance…
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Safe Withdrawal Rate (SWR) Stress Tester Calculator (UK Specific)
What does the Safe Withdrawal Rate (SWR) Stress Tester calculator do? The Safe Withdrawal Rate Stress Tester lets you see how long your retirement pot is likely to last based on your spending needs. It runs thousands of simulated market scenarios using Monte Carlo analysis and UK/Global portfolio assumptions to…
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Plan your retirement with clarity, not guesswork Retirement Calculators provides you with a comprehensive range of UK-focused calculators to test different routes between full-time work and full retirement. Model ISAs, pensions, property, tax optimisation, public sector schemes, FIRE planning and spending so you can make calmer, better informed decisions about…
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Living Costs in Retirement Estimation Calculator (UK Specific)
Living costs in retirement utilising the PLSA Retirement Living Standards baseline The Living Costs in Retirement Estimation Calculator helps you understand how much money you may need each year during retirement. Using the PLSA Retirement Living Standards or your own custom spending assumptions, it provides you with a clear picture…
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Downsizing Your Property In Retirement Calculator
How can downsizing your property impact your retirement? The Downsizing Your Property In Retirement Calculator helps you see the financial impact of selling your current home and moving to a cheaper, lower cost property. It shows how much equity you could release, how your running costs might change and the…
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Lumpy Returns Calculator (UK Specific)
What is the Lumpy Returns Retirement Calculator? The Lumpy Returns Calculator helps you understand how real-world, non-linear investment returns affect the growth of your pension, ISA, GIA and Buy to Let equity. By modelling a realistic series of volatile returns next to a smooth average return, it shows how the…
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Compound Interest Comparison Calculator (UK)
What is the Compound Interest Comparison Calculator? The Compound Interest Comparison Calculator helps you see how your savings could grow over time under different combinations of time horizon and growth rate. By modelling your starting pot, monthly contributions, and several scenarios side by side, it shows how powerful compound growth…