Finance &
Tax Calculators
Every UK finance and tax calculator in one place — income tax, capital gains, stamp duty, pension and more. All updated for 2025/26.
Updates automatically when new calculators are published.
Rent-a-Room Scheme Calculator UK 2025/26 — £7,500 Tax-Free Threshold
Rent-a-Room Scheme Calculator UK 2025/26Find out how much of your lodger or Airbnb income is tax-free under the £7,500 Rent-a-Room allowance —…
Redundancy Pay Tax Calculator UK 2025/26 — £30,000 Tax-Free Threshold
Redundancy Pay Tax Calculator UK 2025/26Find out how much tax you owe on your redundancy payment — including the £30,000 tax-free threshold…
Trading Allowance Calculator UK 2025/26 — £1,000 Tax-Free Side Income
Trading Allowance Calculator UK 2025/26Find out if your side income from freelancing, selling online, or casual work is covered by the £1,000…
Savings Interest Tax Calculator UK 2025/26 — PSA, Higher Rate & Starting Rate
Savings Interest Tax Calculator UK 2025/26Find out how much tax you owe on your savings interest after your Personal Savings Allowance —…
State Pension Calculator UK 2025/26 — Forecast, Top-Up Cost & Deferral
Free · 2025/26 · UK State Pension Calculator 2025/26 £221.20/week full rateQualifying years forecastNI top-up costDeferral boost Estimate your State Pension based…
Tax Code Calculator UK 2025/26 — What Does My Tax Code Mean?
Free · 2025/26 · UK Tax Code Calculator 2025/26 Decode any tax codeTax-free allowance shownEmergency codes explainedHow to fix a wrong code…
Stamp Duty 2024 vs 2025 Calculator UK — Before and After April 2025 Threshold Changes
Free · England & NI · April 2025 Change Stamp Duty 2024 vs 2025 Calculator Nil-rate dropped £250k → £125kFTB threshold dropped…
Contractor Expenses Calculator UK 2025/26 — Ltd Company Allowable Expenses & Tax Savings
Free · 2025/26 · Ltd Company Contractor Expenses Calculator 2025/26 Allowable business expensesCorporation tax savingNI saving shownTotal annual relief Enter your annual…
Energy Bill Calculator UK 2025 — Annual Gas & Electricity Cost Estimator
Free · 2025 · UK Energy Bill Calculator UK 2025 Gas & electricity annual costOfgem price cap comparisonStanding charge includedSavings tips Calculate…
Car Finance Calculator UK 2025 — PCP vs HP vs Personal Loan Comparison
Free · 2025 · UK Car Finance Calculator UK 2025 PCP monthly paymentsHP comparisonvs Personal loanTotal cost of ownership Calculate and compare…
Income Protection Calculator UK 2025/26 — How Much Cover Do I Need?
Free · 2025/26 · UK Income Protection Calculator 2025/26 Cover amount neededState benefit safety netSavings runwayMonthly shortfall Calculate how much income protection…
Monthly Budget Calculator UK 2025 — Personal Budget Planner
Free · 2025 · UK Monthly Budget Calculator 2025 Income vs expensesSurplus or deficitSpending categories50/30/20 benchmark Enter your monthly income and outgoings…
Childcare Cost Calculator UK 2025/26 — Free Hours, Tax-Free Childcare & Total Cost
Free · 2025/26 · UK Childcare Cost Calculator 2025/26 15 & 30 free hoursTax-Free Childcare 20% top-upTotal annual costNet cost after support…
State Pension Calculator UK 2025/26 — Forecast, Top-Up Cost & Deferral
Free · 2025/26 · UK State Pension Calculator 2025/26 £221.20/week full rateQualifying years forecastNI top-up costDeferral boost Estimate your State Pension based…
Tax Code Calculator UK 2025/26 — What Does My Tax Code Mean?
Free · 2025/26 · UK Tax Code Calculator 2025/26 Decode any tax codeTax-free allowance shownEmergency codes explainedHow to fix a wrong code…
Net Worth & Financial Health Calculator UK 2025 — Assets, Liabilities & Savings Rate
Free · 2025 · UK Net Worth & Financial Health Calculator 2025 Assets minus liabilitiesEmergency fund checkSavings rateDebt-to-income ratio Calculate your net…
Employee Share Scheme Tax Calculator UK 2025/26 — EMI, SAYE, SIP & CSOP
Free · 2025/26 · UK Employee Share Scheme Tax Calculator 2025/26 EMI optionsSAYE sharesaveSIP free sharesCSOP options Calculate income tax, NI, and…
Pension Drawdown Calculator UK 2025/26 — How Long Will My Pot Last?
Free · 2025/26 · UK Pension Drawdown Calculator 2025/26 How long will my pot last?Sustainable withdrawal rate25% tax-free cashMultiple scenarios Find out…
Mortgage Overpayment Calculator UK 2025 — Interest Saved & Years Cut
Free · 2025 · UK Mortgage Overpayment Calculator 2025 Interest savedYears cut from termLump sum + monthly10% limit check See exactly how…
Wales Stamp Duty (LTT) Calculator 2025/26 — Land Transaction Tax
Free · 2025/26 · Wales Wales Stamp Duty (LTT) Calculator 2025/26 Residential LTT ratesHigher rates (additional dwellings)3-way comparison: Wales · England ·…
Defined Benefit Pension Calculator UK 2025/26 — NHS, Teachers & Civil Service
Free · 2025/26 · UK Public Sector Defined Benefit Pension Calculator 2025/26 NHS · Teachers · Civil Service · LGPSCARE accrual rateLump…
Income Tax Comparison Calculator UK 2022/23 to 2025/26 — Threshold Freeze Impact
Free · 2022/23 to 2025/26 · UK Income Tax Comparison Calculator 2022–2026 Fiscal drag shownNI rate changesYear-by-year breakdownReal-terms impact See exactly how…
Notice Pay & PILON Calculator UK 2025/26 — Payment in Lieu, Garden Leave & Settlement
Free · 2025/26 · UK Notice Pay & PILON Calculator 2025/26 Statutory minimum noticePILON tax treatmentGarden leave valueSettlement gross-up Calculate your minimum…
Lifetime ISA (LISA) Calculator UK 2025/26 — 25% Bonus, First Home & Retirement
Free · 2025/26 · UK Lifetime ISA (LISA) Calculator 2025/26 25% government bonusMax £1,000/yr bonusFirst home & retirementWithdrawal penalty shown Calculate how…
Scotland Stamp Duty (LBTT) Calculator 2025/26 — Land & Buildings Transaction Tax
Free · 2025/26 · Scotland Scotland Stamp Duty (LBTT) Calculator 2025/26 Residential LBTT ratesFirst-time buyer reliefADS additional dwellingvs England SDLT comparison Calculate…
Holiday Entitlement Calculator UK 2025/26 — Annual Leave for Full & Part-Time Workers
Free · 2025/26 · UK Holiday Entitlement Calculator 2025/26 5.6 weeks statutory minimumPart-time pro rataIrregular hours (12.07% method)Accrual for leavers Calculate your…
Gift Aid Calculator UK 2025/26 — Charity Donation Tax Relief
Free · 2025/26 · UK Gift Aid Calculator 2025/26 Charity Gift Aid top-upHigher-rate reclaimPayroll giving reliefGross donation value Calculate how much Gift…
HMRC Self Assessment Penalty Calculator 2025/26 — Late Filing & Late Payment
Free · 2025/26 · HMRC Self Assessment Penalty Calculator 2025/26 Late filing penaltiesLate payment interest5% surchargesHow to appeal Calculate exactly how much…
Freelance Day Rate Calculator UK 2025/26 — Contractor Rate vs Salary Equivalent
Free · 2025/26 · Contracting Freelance Day Rate Calculator 2025/26 Salary-equivalent day rateHoliday & sick pay gapPension shortfallIR35 impact Calculate the day…
Cryptocurrency Tax Calculator UK 2025/26 — CGT on Bitcoin, Ethereum & Crypto
Free · 2025/26 · HMRC Rules Cryptocurrency Tax Calculator UK 2025/26 CGT on crypto disposalsSection 104 poolingStaking & mining incomeBed & HODL…
Rent Affordability Calculator UK 2025 — How Much Rent Can I Afford?
Free · 2025 · UK Rent Affordability Calculator 2025 How much can I afford?Salary needed for rent30% rule & leftover budgetMonthly breakdown…
Director Salary & Dividend Optimiser UK 2025/26 — Optimal Ltd Company Split
Free · 2025/26 · Ltd Company Director Salary & Dividend Optimiser 2025/26 Optimal salary/dividend splitCorp tax + income tax + NITotal tax…
First-Time Buyer Stamp Duty Calculator UK 2025/26 — SDLT Relief & Thresholds
Free · 2025/26 · England & NI First-Time Buyer Stamp Duty Calculator 2025/26 FTB relief up to £500k0% on first £425kStandard vs…
Company Car Tax Calculator UK 2025/26 — BIK, P11D & Car Allowance Comparison
Free · 2025/26 · BIK Tax Company Car Tax Calculator 2025/26 BIK tax by CO2/fuel typeP11D value calculationCar vs allowance comparisonEV advantage…
National Minimum Wage Calculator UK 2025/26 — NLW, NMW & Underpayment Checker
Free · 2025/26 · From April 2025 Minimum Wage Calculator 2025/26 NLW £12.21/hr (21+)NMW £10.00/hr (18–20)Underpayment checkerAnnual earnings estimate Check whether you're…
Paternity Pay & Shared Parental Leave Calculator UK 2025/26
Free · 2025/26 · UK Paternity Pay & Shared Parental Leave 2025/26 SPP £187.18/weekShPP entitlementSplit leave between partnersEnhanced pay check Calculate statutory…
Salary Calculator 2025/26 — Instant UK Take-Home Pay After Tax
Free · 2025/26 · UK Pro Rata Salary Calculator 2025/26 Part-year starters & leaversPart-time pro rataDaily & hourly ratesTake-home after tax Calculate…
£100k Tax Trap Calculator UK 2025/26 — 60% Effective Rate & How to Avoid It
Free · 2025/26 · UK-Specific £100k Tax Trap Calculator 2025/26 60% effective marginal ratePersonal allowance taperPension escape routeGift Aid impact If your…
Premium Bonds Calculator UK 2025 — Odds, Expected Winnings & Compare to Savings
Free · 2025 · NS&I Premium Bonds Calculator 2025 Expected annual winningsMonthly win oddsCompare to savings ratePrize fund rate 4.40% Calculate your…
Second Job Tax Calculator UK 2025/26 — How Much Tax Will I Pay on a Second Income?
Free · 2025/26 · UK-Specific Second Job Tax Calculator 2025/26 Combined income taxNI on both jobsBR & D0 tax codes explainedCorrect vs…
SSP Calculator 2025/26 — Statutory Sick Pay UK
Free · 2025/26 · HMRC Rates Statutory Sick Pay Calculator 2025/26 £116.75/week SSP rate3 waiting days28-week maximumEligibility check Calculate your statutory sick…
Debt Payoff Calculator UK 2025 — Snowball vs Avalanche, Credit Cards & Loans
Free · 2025 · UK Debt Payoff Calculator UK 2025 Snowball vs avalancheMultiple debtsTime to debt-freeTotal interest saved Add all your debts…
Child Maintenance Calculator UK 2025 — CMS Formula & Rates
Free · 2025 · CMS Formula Child Maintenance Calculator 2025 CMS weekly payment formulaOvernight stay reductionsMultiple childrenShared care Calculate child maintenance payments…
Stamp Duty Second Home Calculator UK 2025/26 — BTL & Additional Property SDLT
Free · 2025/26 · England & NI Stamp Duty Second Home Calculator 2025/26 5% additional property surchargeUpdated October 2024BTL & second homesSide-by-side…
Bonus & Overtime Tax Calculator UK 2025/26 — How Much Will I Take Home?
Free · 2025/26 · UK Bonus & Overtime Tax Calculator 2025/26 Take-home after tax & NIMarginal rate on bonusWith vs without comparisonEmergency…
HMRC Mileage Calculator 2025/26 — 45p & 25p Approved Rates
Free · 2025/26 · HMRC Rates Mileage Allowance Calculator 2025/26 45p / 25p HMRC ratesCars, vans, motorbikes, bikesSelf-employed deductionMAR relief for employees…
Salary Sacrifice Calculator UK 2025/26 — Pension, Car Scheme & NI Savings
Free · 2025/26 · UK-Specific Salary Sacrifice Calculator 2025/26 Pension savingsCar schemeCycle-to-workNI savings£100k trap Calculate exactly how much you save through salary…
HMRC Marginal Relief Calculator 2025/26 — Corporation Tax
Free · 2025/26 · UK-Specific Corporation Tax Calculator 2025/26 Small profits rate 19%Main rate 25%Marginal relief £50k–£250kEffective rate Calculate your UK company's…
Pension Retirement Calculator UK 2025/26 — Forecast Your Pot & Income at Retirement
Free · 2025/26 · UK-Specific Pension Retirement Calculator 2025/26 Pot forecast at retirementAnnual income estimateTax-free lump sumState Pension included Find out how…
Buy-to-Let Calculator UK 2025/26 — Rental Yield, ROI, Mortgage & Tax
Free · 2025/26 · UK-Specific Buy-to-Let Calculator 2025/26 Gross & net yieldROI on depositSection 24 tax impactStamp duty surcharge Calculate rental yield,…
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