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Find out what benefits you could get, how much you could get and how to claim
Use these calculators and tax tables to check payroll tax, National Insurance contributions and student loan deductions if you're an employer.
Find and use tools and calculators that will help you work out your tax.
Student finance calculator - get a quick estimate of what student loans, grants, bursaries and other funding you could get - for full-time, part-time and EU students
Estimate the Child Benefit you've received and your High Income Child Benefit tax charge
Get an estimate of how much Pension Credit you may be entitled to
The MacKay Carbon Calculator provides a model of the UK energy system that allows you to explore pathways to decarbonisation, including net zero by 2050.
Find out how much you need to put aside for your Self Assessment tax bill if you're self-employed by using HM Revenue and Customs' (HMRC's) self-employed tax calculator.
Calculate nutrient budgets for developments in the catchment of Solent.
How to use the calculators to work out a nutrient budget for residential developments in nutrient neutrality catchments.
Statutory Sick Pay (SSP) calculator - calculate SSP for an employee
Estimate how much Income Tax and National Insurance you can expect to pay for the current tax year (6 April 2024 to 5 April 2025).
Use this calculator to work out an amount of child maintenance for your children.
Work out how much your school will need to contribute, and track information during the academic year 2023 to 2024 to add to your year-end statement.
Calculate an employee’s maternity pay (SMP), paternity or adoption pay, relevant period and average weekly earnings
The 2050 Calculator approach is being adapted and developed further by teams outside of the UK.
Use this calculator to work out employee National Insurance contributions, if you're an employee, employer, or a software developer.
Work out how much your school will need to contribute, and track information during the academic year 2022 to 2023 to add to your year-end statement.
Holiday calculator to work out statutory holiday leave in days or hours
Includes rates calculator and guidance for claims in civil matters.
Don’t include personal or financial information like your National Insurance number or credit card details.
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