LifeAdminUK

Free UK calculators & money tools

25 free UK calculators for work, salary, benefits, banking, rent, debt and everyday life — updated for the 2025/26 tax year.

Available tools

Overtime Calculator UK

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

Open calculator

PAYE Salary Calculator UK

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

Open calculator

Redundancy Pay Calculator UK

Estimate statutory redundancy pay using simplified UK rules.

Open calculator

Rent Affordability Calculator UK

See if your rent fits comfortably within your monthly budget.

Open calculator

Debt Repayment Calculator UK

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

Open calculator

Notice Period Calculator UK

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

Open calculator

SSP Sick Pay Calculator

Estimate Statutory Sick Pay for qualifying days off work.

Open calculator

Holiday Pay Calculator

Estimate statutory holiday entitlement and holiday pay value.

Open calculator

Childcare Cost Calculator

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

Open calculator

Universal Credit Estimator

Very rough Universal Credit estimate using simplified logic.

Open calculator

Maternity Pay Calculator

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

Open calculator

Child Benefit Calculator

Estimate weekly, monthly and yearly Child Benefit payments.

Open calculator

Energy Bill Estimator

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

Open calculator

Emergency Fund Calculator

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

Open calculator

Council Tax Band Helper

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

Open calculator

Loan Repayment Calculator UK

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

Open calculator

Credit Card Interest Calculator UK

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

Open calculator

Overdraft Cost Calculator UK

Estimate overdraft interest and daily fees over a period.

Open calculator

Savings Interest Calculator UK

Project savings growth with regular contributions and interest.

Open calculator

ISA Allowance Calculator UK

See how much of your annual ISA allowance remains.

Open calculator

Mortgage Overpayment Calculator UK

See how extra payments reduce mortgage interest and term.

Open calculator

Direct Debit Budget Planner UK

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

Open calculator

Bank Fee Calculator UK

Add up monthly and annual bank account and fee costs.

Open calculator

Debt Snowball Calculator UK

See how the snowball method clears debts from smallest first.

Open calculator

Loan Affordability Calculator UK

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

Open calculator

Browse by category