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Use these calculators and tax tables to check payroll tax, National Insurance contributions and student loan deductions if you're an employer.
Calculate how much you have to pay your furloughed employees for hours on furlough and how much you can claim back.
Find and use tools and calculators that will help you work out your tax.
Find out what steps you need to take before you calculate how much you can claim for furloughed and flexibly furloughed employees.
Guidance and calculators for working out nutrient budgets for proposed developments in 27 specific catchments.
Find out how to express the mass of a fluorinated greenhouse gas (F gas) in terms of carbon dioxide equivalent to comply with regulations on F gases.
Find out about the Direct Calculation VAT Retail Schemes 1 and 2, how they work and what records you must keep.
ECaaS provides an API to the Home Energy Model so users can produce software, and a basic frontend so users can validate building designs.
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.
Retailers can calculate the VAT they have to record in their account per day or week instead of for each sale
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