Core Planning Tools
Essential tools for tax optimisation, lifestyle planning, and risk assessment. These calculators help you understand your tax position, plan your spending, and assess how robust your retirement plan is.
💼UK Tax Efficiency
UK tax rules offer various allowances and tax-efficient wrappers to help you keep more of your returns. These calculators help you understand your marginal tax rate, compare pension vs ISA strategies, and optimise your tax position.
📊How these calculators help
Our Core Planning Tools cover tax optimisation, lifestyle planning, and risk assessment. They help you understand your tax position, plan your spending, assess longevity risk, and see how robust your retirement plan is under different scenarios.
Your Core Planning Journey
A comprehensive planning approach involves understanding your tax position, planning your spending, and assessing risks. Use our calculators to build a complete picture.
Understand Your Tax Position
Use the Marginal Tax Rate Calculator to see your effective tax rate and the Pension vs ISA Comparison Calculator to optimise your savings strategy.
Plan Your Spending
Model your retirement spending with the Single vs Couple Retirement Spending Calculator and understand how inflation affects long-term spending.
Assess Longevity Risk
Understand how long your savings need to last with the Longevity Risk Calculator and Mortality Curve Forecaster.
Stress-Test Your Plan
Use the Probability of Running Out of Money Calculator and Lumpy Returns Calculator to see how robust your plan is under different scenarios.
Start with these popular calculators
These six tools are the best starting point for understanding your tax position, planning your spending, and assessing retirement risks. They help you optimise your strategy and see how robust your plan is.
Pension vs ISA Comparison Calculator
Compare pension and ISA strategies side by side. See how tax relief, access age, and withdrawal rules affect your retirement outcomes and find the optimal mix for your situation.
Marginal Tax Rate Calculator
Calculate your effective marginal tax rate including income tax, National Insurance, and benefit withdrawal rates. Understand the true cost of earning more or withdrawing from different accounts.
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 and withdrawal rates.
Probability of Running Out of Money Calculator
Model the probability that your retirement savings might run out. Understand sequence risk and see how different withdrawal rates and market conditions affect your plan’s robustness.
Single vs Couple Retirement Spending Calculator
Compare retirement spending for single people versus couples. Understand how household size affects your retirement needs and see the cost difference between living alone and as a couple.
High Income Child Benefit Charge Calculator
Calculate how the High Income Child Benefit Charge affects your take-home pay. See the effective tax rate on income between £50,000 and £60,000 and understand how pension contributions can reduce the charge.
Getting Started with Core Planning Tools
New to retirement planning? Follow this step-by-step guide to start understanding your tax position, planning your spending, and assessing risks.
- Understand your tax position – Use the Marginal Tax Rate Calculator to see your effective tax rate and identify optimisation opportunities.
- Compare savings strategies – Use the Pension vs ISA Comparison Calculator to find the optimal mix of tax-efficient wrappers for your situation.
- Plan your spending – Use the Single vs Couple Retirement Spending Calculator to estimate your retirement needs.
- Assess longevity risk – Use the Longevity Risk Calculator and Mortality Curve Forecaster to understand how long your savings need to last.
- Stress-test your plan – Use the Probability of Running Out of Money Calculator to see how robust your plan is under different scenarios.
- Refine your strategy – Use other calculators to understand inflation impacts, model lumpy returns, and explore how tax optimisation fits with your overall retirement plan.
All Core Planning Tools calculators
Browse all Core Planning Tools calculators. These tools help you understand your tax position, plan your spending, assess longevity risk, and see how robust your retirement plan is under different scenarios.
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Someday Tax Calculator (UK)
What is the Someday Tax Calculator? The Someday Tax Calculator helps you work out which trips and experiences may be worth doing sooner rather than leaving everything until retirement. It looks at your age, stop-work age, trip list, costs and the energy each experience may need. The calculator then separates…
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Lifestyle Creep Calculator (UK)
What is the Lifestyle Creep Calculator? The Lifestyle Creep Calculator shows what happened as your salary increased over time. Enter your major pay rises and estimate how much of each increase became extra spending. The calculator then shows how much you kept, what that money could grow into if invested,…
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TFLS Optimiser Calculator (UK)
What is the Tax-Free Lump Sum Optimiser? The Tax-Free Lump Sum Optimiser compares when you could take your pension tax-free lump sum, often shortened to TFLS. It tests taking the TFLS at the earliest available age, waiting until retirement, or taking it in stages. It then ranks the strategies based…
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Couples’ Retirement Tax Splitter Calculator (UK)
What is the Couples Retirement Drawdown Calculator? The Couples Retirement Drawdown Calculator helps retired couples explore how to split household withdrawals across each partner’s pensions, ISAs, General Investment Accounts and cash. It starts with the household spending target for this year, then estimates where the money could come from, the…
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Life Weeks Calculator (4000 Weeks) (UK)
What is the Life Weeks Calculator? The Life Weeks Calculator helps you see your life as a finite number of weeks. If you are fortunate to live to around 80, that works out at roughly 4,000 weeks. The calculator estimates how many weeks you may have left and how much…
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MPAA Calculator (UK)
What is the MPAA Calculator? The MPAA Calculator helps you check whether money paid into your workplace or personal pension pots may sit inside or above the lower yearly limit that can apply after taxable pension access. MPAA stands for Money Purchase Annual Allowance. In simple terms, if you have…