LifeAdminUK
Updated for 2026/27 Tax Year

Free UK calculators & money tools

53 free UK calculators for work, salary, benefits, banking, rent, debt and everyday life — updated for the 2026/27 tax year.

Available tools

April 2026

Overtime Calculator UK

Work out overtime pay based on your hourly rate and multiplier.

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April 2026

PAYE Salary Calculator UK

Estimate income tax, National Insurance and take-home pay.

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April 2026

Student Loan Repayment Calculator UK

Estimate monthly and annual student loan repayments through PAYE.

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April 2026

Hourly to Salary Calculator UK

Convert hourly pay to weekly, monthly and annual gross salary.

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April 2026

Savings Interest Tax Calculator UK

Check if savings interest will tax your income or change your tax code.

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Redundancy Pay Calculator UK

Estimate statutory redundancy pay using simplified UK rules.

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April 2026

Rent Affordability Calculator UK

See if your rent fits comfortably within your monthly budget.

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Debt Repayment Calculator UK

Estimate how long it will take to clear a debt and total interest paid.

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Notice Period Calculator UK

Work out statutory minimum notice and what you should give when leaving a job.

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SSP Sick Pay Calculator

Estimate Statutory Sick Pay for qualifying days off work.

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Holiday Pay Calculator

Estimate statutory holiday entitlement and holiday pay value.

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Pro-rata Salary Calculator UK

Convert a full-time salary to part-time pay based on your hours and weeks.

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Childcare Cost Calculator

See monthly childcare costs and how support could reduce your bill.

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Universal Credit Estimator

Very rough Universal Credit estimate using simplified logic.

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Maternity Pay Calculator

Estimate statutory maternity pay (SMP) over your leave period.

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Child Benefit Calculator

Estimate weekly, monthly and yearly Child Benefit payments.

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High Income Child Benefit Charge Calculator

Check if the HICBC applies and how much Child Benefit you keep.

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Energy Bill Estimator

Add up electricity, gas and standing charges for monthly and annual totals.

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Emergency Fund Calculator

Work out your emergency fund target and how much more you need to save.

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Council Tax Band Helper

Get a rough council tax band based on property value and region.

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Loan Repayment Calculator UK

See how long a personal loan takes to repay and total interest paid.

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Credit Card Interest Calculator UK

Estimate how long it takes to clear a card balance and total interest.

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Overdraft Cost Calculator UK

Estimate overdraft interest and daily fees over a period.

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Savings Interest Calculator UK

Project savings growth with regular contributions and interest.

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ISA Allowance Calculator UK

See how much of your annual ISA allowance remains.

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Mortgage Overpayment Calculator UK

See how extra payments reduce mortgage interest and term.

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Mortgage Repayment Calculator UK

Work out your monthly mortgage payment and total interest over the term.

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Direct Debit Budget Planner UK

See if your direct debits and essentials fit your monthly income.

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Bank Fee Calculator UK

Add up monthly and annual bank account and fee costs.

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Debt Snowball Calculator UK

See how the snowball method clears debts from smallest first.

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Loan Affordability Calculator UK

Check if a loan or credit payment fits your monthly income.

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April 2026

Stamp Duty Calculator UK

Estimate Stamp Duty Land Tax (SDLT) on a property in England or Northern Ireland.

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April 2026

Pension Contribution Calculator UK

See your total pension contribution including tax relief and employer top-ups.

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April 2026

Pension Pot Projection Calculator UK

Project how big your pension pot could grow by your retirement age.

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April 2026

Income Tax Calculator UK

Work out your income tax bill across the 2026/27 tax bands.

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April 2026

National Insurance Calculator UK

Estimate your employee National Insurance and what your employer pays.

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April 2026

Mortgage Affordability Calculator UK

Estimate how much you could borrow and the property price you can afford.

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Compound Interest Calculator UK

See how savings and investments grow with compound interest.

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April 2026

State Pension Forecast Calculator UK

Estimate your new State Pension from your qualifying years.

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April 2026

Self-Employed Tax Calculator UK

Estimate income tax and Class 4 NI on your self-employed profit.

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April 2026

Salary Sacrifice Calculator UK

See the tax and National Insurance you save by sacrificing salary.

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April 2026

Capital Gains Tax Calculator UK

Estimate CGT on shares, crypto, funds and property for 2026/27.

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Monthly Budget Planner UK (50/30/20)

Split your take-home pay into needs, wants and savings.

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Car Running Cost Calculator UK

Work out the true yearly and monthly cost of running your car.

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April 2026

Bonus Tax Calculator UK

See how much of your bonus you keep after income tax and National Insurance.

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April 2026

VAT Calculator UK

Add VAT to a price or work out the VAT included in a total.

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Savings Goal Calculator UK

Work out how much to save each month to hit a target amount.

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April 2026

Pay Rise Calculator UK

See your take-home increase after tax and whether your rise beats inflation.

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April 2026

Dividend Tax Calculator UK

Estimate the tax on your dividend income for the 2026/27 tax year.

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April 2026

Marriage Allowance Calculator UK

Check if you can transfer part of your tax-free allowance to your partner and save up to £252.

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April 2026

Mileage Allowance Calculator UK

Work out your HMRC approved mileage allowance and the tax relief you can claim.

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Lifetime ISA Calculator UK

See your Lifetime ISA pot including the 25% government bonus.

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April 2026

Reverse Salary Calculator UK

Work out the gross salary you need to take home a target net pay.

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